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Bài tập ngữ pháp tiếng Anh luyện thi tốt nghiệp THPT quốc gia (Phần 4)

Bài tập ngữ pháp tiếng Anh luyện thi tốt nghiệp THPT quốc gia (Phần 4) – CHỦ ĐỀ: BÀI TẬP TỪ NỐI CÂU (LIÊN TỪ).

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Liên từ là những từ dùng để nối hai mệnh đề để tạo thành câu ghép, hoặc câu phức. Các lên từ phổ biến là:

 – if, unless(nếu, trừ khi): dùng nối 2 mệnh đề trong câu điều kiện (unless loại I)

because, since (vì): chỉ nguyên nhân, kết quả. Chú ý phân biệt because / because of

+ because + S + Vchia = because of + the/ his…+ (adj) + N (sau because là mệnh đề sau because of là cụm danh từ)

although, though, eventhough (mặc dù): chỉ sự nhượng bộ. chú ý phân biệt although với in spite of, despite (tương tự như because /because of)

+Although + S + Vchia = In spite of / Despite + the/ his…+ (adj) + N

but, however (tuy nhiên): nối hai mệnh đề tương phản. But dùng sau dấu phẩy, however nối ý nghĩa hai câu, dùng sau dấu chấm hoặc chấm phẩy.(Xem ví dụ ở mục 13, tài liệu ôn thi tốt nghiệp)

so, therefore (do vậy): nối hai mệnh đề/ hai câu chỉ nguyên nhân-kết quả. So nối hai mệnh đề, dùng sau dấu phẩy. Therefore nối hai câu, dùng sau dấu chấm hoặc chấm phẩy.

yet (nhưng) dùng như but, nhưng ý nghĩa mạnh hơn

if, whether (có phải…) dùng trong câu hỏi gián tiếp (xem mục 6 trong tài liệu ôn tập)

so that (để): nối hai mệnh đề chỉ mục đích. Phân biệt so that với to/ in order (not) to, so as (not) to:

S1  + V1 + so that + S2 + can/ could + V2 nguyên mẫu ( sau so that là mệnh đề)

S1  + V1 + to/ in order to / so as to + V2nguyên mẫu   ( sau in order to, so as to là động từ nguyên mẫu)

so…that, such…that (đến nổi mà)

+ S + be/Vchia + so + adj/adv + that +S +V; S + be/V + so + many/little/ few + N+ that…

+ It + Be + such + a/an + adj + N + that +….;

when, while, as soon as, until, before, after (xem phần hoà hợp thì trong mệnh đề chỉ thời gian)

as (như), phân biệt với like: sau as là mệnh đề (S + Vchia) , sau like là cụm danh từ

 – as if, as though (như thể là, theo sau là động từ chia ở quá khứ đơn hoặc quá khứ hoàn thành)

whenever, whatever, whoever, however + adj, wherever   (dù….đi chăng nữa): Dùng nối hai mệnh đề chỉ sự nhượng bộ)

whereas (ngược lại), meanwhile,( trong khi đó – dùng trong văn phong trang trọng) on the other hand (mặc khác),


1. Mary searched all over the house,…….  couldn’t find the key.

A.but               B.however       C. although      D. because

2. Please don’t disturb me……there is something urgent

A. if                 B. or                C. otherwise     D. unless

3. Peter closed all the windows…. the rain couldn’t come in.

A. because                 C. so that

4. Phone me before ten;……..I’ll be too busy to talk to you.

A. unless          B.whether        C.otherwise      D. if

5. He was watching TV …..the burglar alarm went off.

A. when           B. because       C.after                         D.until

6. You’ll fail the exam…… started revising.

A.if                  B. until                         C.when            D.unless

7. …he was sick, he still turned up for his guitar lesson.

A. Although     B.Because       C.Despite         D.Since

8. …..Daisy didn’t like to swim, she played on the beach while her fiends swam in the sea.

A. Although     B. Since           C. However     D. When

9……..the rise in unemployment, people still seem to be spending more.

A. Meanwhile  B. Nevertheless C. Although    D.Despite

10. ……Mary didn’t like Tom, she agreed to work with him on the project.

A.Since                        B.Although      C.However      D.Despite

11. … work harder, you are going to fail your exam.

A.If                  B.Unless          C.Although      D.Because

12. These days women are not expected to stay at home……..their mother did in the past.                 B. as if                  D.even if

13. Mary does not do her homework…….you tell her to.

A.because        B.unless           C.since             D.however

14. Tree won’t grow……there is enough water.

A. if                 B.when                        C.unless 

15. I’m going to South Carolina……the semester is over.

A.when            B.while            C.during 

16. Some people really enjoy swimming,…….others are afraid of water.

A.while            B.or                 C.despite spite of

17. I can’t ride a bicycle………there isn’t any air in one of the tires.

A.despite         B.because        C.although       D.but

18. Some snakes are poisonous,……others are harmless.

 A.but                     C.for                D.despite

19. I usually enjoy attending productions in small community theaters. The play we attended last 

      night,…, was so bad that we wanted to leave after the first act.

A.therefore      B.however       C.whereas        D.even though

20. Jane is a very good student  of languages. Her brother, Michael, ……..,has never been able to

       master another language.

A.therefore      B.even though  C.whereas       D.on the other hand

21. They were disqualified _______ they fought to the last minute.
            A. as                B. since                        C. though         D. once
22. I think he’s a really good live performer, and his songs are excellent.
___________ you can’t hear the words because the music is too loud.
            A. The trouble is          B. In fact         C. On the whole           D. What’s more
23. You should clean the cut thoroughly ______ prevent any infection.
            A. so that         B. as to                        C. or                D. in order to
24. She hasn’t received a single letter from him _______ they both left school.
            A. as                B. because       C. since                        D. now that
25. _______ I am aware, this is the last talk on the topic.
            A. Where         B. As long as   C. Since           D. As far as
26. He wouldn’t have failed his exams _______ he hadn’t been ill.
            A. unless          B. in case         C. if                 D. although
27. _________ you change your mind, I won’t be able to help you.
            A. If only         B. Because       C. Unless         D. Provided
28. The boy decided to go out _______ it was raining very heavily outside.
            A. because       B. despite         C. even if         D. although

29. The town was nearer _______ we thought it would be.
            A. then             B. that              C. as                D. than
30. His carelessness in doing tests ______ I am worried may lead to a failure.
            A. about that    B. which          C. that              D. about which
31. They couldn’t finish it ________ the lack of support.
            A. because       B. because of   C. why             D. the reason
32. Some students in this class are from HCMC, ________ from the provinces.
            A. the others    B. another        C. the other      D. each other

33. ________ test was given, our class leader managed to get good marks.
            A. Whenever   B. Whatever     C. However     D. Wherever
34. You’ll see my house _______ you cross the street.
            A. because       B. where          C. when           D. although
35. He hid that letter in a drawer _______ no one could read it.
            A. so that         B. although      C. because       D. than
36. He doesn’t seem to be successful _______ hard he works.
            A. whatever     B. although      C. because       D. however
37. This is the girl ______ father owns the biggest shop in the area.
            A. who             B. which          C. her               D. whose
38. ________ can change his way of thinking.
            A. What           B. Nowhere     C. Nothing       D. Not anything

39.   _________ you keep it in good condition, I’ll lend you my car.
            A. So long as   B. Although     C. Because       D. While
40. He just had to apologize _______ he knew he had made a mistake.
            A. before         B. wherever     C. due to          D. because

41. It seems _______ those students haven’t learnt this grammar point before.
            A. so that         B. as if             C. such that                  D. even though
42. The use of computer aids in teaching, _______ the role of teachers is still very important.
            A. yet               B. unless                      C. despite         D. where
43. They couldn’t finish it ________ there was no adequate support.
            A. because       B. because of               C. why             D. so long
44. It is such an important matter _______ I can’t decide anything about it myself.
            A. so                B. because                   C. that              D. if


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