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36. I'm tired now because I……all the afternoon.
A. have run B. run C. had run D. have been running
7. When I ………her, I………her your regards
A. met/was sending B. meet/will send C. met/had sentD. meet/sent
8. When we enter the room, our boss………for us here.
A. will wait B. will be waiting C. was waiting D. will be waited
19. When I return to my hometown, everything………a lot.
A. changes B. will be changingC. will have changed D. will change
43. When I………for my sister in front of the supermarket, a strange man came to talk with me.
A. was waiting B. waited C. had waited D. were waiting
1, If had follow your advice, I........happier now
a, am b, should be c, will have been d, have been
2, If I.......more time, I should take up golf as a hobby
a, have b, had c, has
3, If he..............here now , we would ask his opinion
a, is b, were c, has been d, had been
4, If I ..........the chance , I would have trained to be a dortor
a, would had b, would have c, have had d, had had
5, If I were you ...........phone and tell her you're going to be late
a, I'd b, I'lll c, I'd have d, I
6, If I ..........convenient , lets it go out for a drink tonight
a, be b, is c, was d, were
7, If you ......time, please write to me
a, have b, had c, have had d, has
8, If it .........tomorrow, we may postpone going on a picnic
a, will rain b, rains c, shall rain d, raining
9, If you hadn't watched that late mivie last night , you ..........sleepy now
a, wouldn't have been b, wouldn't be c, might have not been d, wouldn't have been being
10, If you...........as I told you, you ............sorry now
a, did/would b, had done/had not been c, do /would not be d, had done/would not be
11, If only I .............him now
a, see b, saw c, have seen d, seen
How long have you been looking for____________?
A. employee B. employer C. employment D. employ
Kiến thức: Từ vựng, từ loại
Giải thích:
Ở đây trước danh từ “exercise” cần một tính từ.
Physics (n): môn vật lý
Physical (adj): thuộc về vật chất/ cơ thể
Sửa: Physics => Physical
Tạm dịch: Tập thể dục thể chất và tinh thần đã được nhận thấy là có lợi cho bộ não của chúng ta, nhưng các nhà khoa học còn thấy rằng nó cũng có thể cải thiện khả năng học tập của con cái của chúng ta.
Chọn D
Kiến thức: Từ vựng, từ loại
Giải thích:
Trước danh từ “exercise” cần các tính từ.
Physics (n): Môn Vật lý
Physical (adj): thể chất
Sửa: Physics => Physical
Tạm dịch: Những bài tập về thể chất và tinh thần đã được tìm thấy là có lợi cho bộ não của chúng ta, nhưng hiện nay các nhà khoa học còn chứng minh được rằng nó cũng có thể cải thiện khả năng học tập của trẻ em của chúng ta.
Chọn A
Hi !!!
Nhìn sơ bài mk thấy là mk đồng qan điểm với bạn
Lizzy-Marie .Bn ...... siêng đó cò chỉ ra lỗi sai cho người khác 
Thực ra mk đag suy nghĩ về câu này
10. Cattle______ allowed graze here now.
a. was b. were c. is d. are
Đang phân vân cho rằng đáp án là D. are
Vì lâu này theo những gì mk biết thì "cattle " được coi như là N đếm được số nhiều vì vậy V chia sau nó mk nghĩ no ở dạng số nhiều
===> Mạnh dạn chọn lại đáp án D. 
Exercise 1
1. Tom with dog_____ here now.
a. is b. are c. was d. were
2. Tom as well as his dog_____ here now.
a. is b. are c. was d. were (sai đề )
3. My old friends and colleague, John, _____ married.
a. has just got b. have just got c. just has got d. just have got
4. The singer and actor_____ coming now.
a. was b. were c. is d. are
5. The singer and the actor_____ coming now.
a. was b. were c. is d. are
6. Mathematics_____ difficult.
a. is b. are c. is d. are
4
7. Two billion dollars_____ not enough for the victims of the tsunami
a. was b. were c. is d. are
8. Three years in a strange land _____ like a long time for lonely people.
a. is seeming b. are seeing c. seems d. seemed
9. The film "Titanic"_____ very interesting.
a. is b. are c. was d. were
10. Cattle______ allowed graze here now.
a. was b. were c. is d. are
11. None of this money______ right now.
a. is b. are c. was d. were
12. None of them______ right now.
a. is b. are c. was d. were
13. Every student ______ willing to join the picnic now.
a. is b. are c. was d. were
14. The number of students______ in creasing now.
a. are b. was c. were d. is
15. A number of students ______ playing table - tennis now.
a. are b. was c. were d. is
16. Physics______ my favourite subject.
a. are b. is c. was d. have been
17. They boy, with his two companions, ______ the cherry tree now.
a. has split b. have split c. is slitting d. are splitting
18. The write and poet______ going to preside over this meeting
a. are b. is c. have been going d. is to
19. Neither the mother nor the children______ aware of the danger.
a. were b. was c. is d. has been
20. She told me that she ______ happy for what he______
a. is feeling/ did b. was feeling/ had done
c. feels/ did d. has felt/ has been going
1 when .......... a dictionary , you need to be able to understand the symbols and the abbreviations it contains a using b having used c to use d use
2 how can i know ............book is yours ? they are so alike a what b which c this d the 3 .................. paul brings the money for lunch , we will go right down the cafeteria a since b now that c as soon as d until
4 you have never been to nha trang , ..........................? a have you b have not you c you have d you have not
5 she will visit us as soon as she arrives ................thai nguyen city a at b in c on d to 6 the smaller the room is , the ............smaller........... furniture it needs a fewer d more 7 who is the .....................of the three girls ? a pretty b prettier c more pretty d prettiest 8 the secretary to ............................... i talking did not know where the meeting was a whom b which c that d who i have to be present at eight oclock and so ............................. a are you b do you c have you d you
D
D