Bài tập 4. Find and correct the mistake (sửa lỗi sai)
1. I think fast food should be sold in schools.
2. Domestic violence against women and girls will eliminated when governments and people co-operate.
3. Do you think that overeating can cause people being overweight?
4. Your car must serviced regularly if you want it to be in good condition.
Bài tập 5. Choose the best answer: active or passive
1. Jack has a right to know. He ...................the news immediately. If you don't do it, I will.
A. ought to tell
B. ought to be told
C. may tell
D. may be told
2. What I told Bill was a secret. He ..............it to you.
A. shouldn't have repeated
B. shouldn't repeat (lặp lại)
C. shouldn't be repeat
D. shouldn't have been repeated
3. A package ...............carefully before it is mailed
A. has to be wrapped
B. has to wrap (gói)
C. had to be wrapped
D. had to wrap
4. I don't know why Jessica wasn't at the meeting. She .................about it.
A. must forget
B. must be forgotten
C. must have been forgotten
D. must have forgotten
5. The games are open to anyone who wants to join in. Everyone .................
A. can be participated
B. could be partipated
C. can participate
D. could participate
6. This burnt out light bulb (bóng đèn cháy) .................days ago. Could you do it for me?
A. might be replaced
B. might have been replaced
C. should have been replaced
D. should be replaced
7. You'd better not drink that river water. It ................
A. could be polluted
B. could pollute
C. can be polluted
D. can pollute
8. I think everyone .............this paperback (sách bìa mềm) on the economic crisis. It contains information that everyone should have.
A. should be read
B. should read
C. should have been read
D. should have read
9. Your passport ................... It is invalid (vô hiệu lực) without your signature (chữ ký).
A. is supposed to sign (ký tên)
B. is supposed to be signed
C. was supposed to sign
D. was supposed to be signed
10. A bald eagle (đại bàng đầu trắng) ................from the other large birds by its white head and white tail.
A. can distinguish (phân biệt)
B. can be distinguished
C. could distinguish
D. could be distinguished
11. When you are on duty (đang trực), your uniform (đồng phục) .................at all times (luôn)
A. must be worn
B. must wear
C. must have worn
D. must have been worn
Bài 6. Chuyển những câu sau sang thể bị động
1. I can not answer the question.
2. Jenny could lift up that big box without any help.
3. It is raining. You should close the window.
4. We might cancel our trip due to bad weather.
5. You ought to wash the car.
6. He must complete the form before giving it to the accountant.
7. We shouldn’t buy that used car because it looks so old and rusty.
8. He could not leave her in the middle of nowhere like that.
9. You have to take a test so that we can evaluate your knowledge of English.
10. You should cook this type of meat for 90 minutes to get all the flavors out of it.
11. You must not forget these rules under any circumstances.
12. You should learn these new words by heart in order to do these exercises.
13. Students must follow these regulations at school.
14. They might cancel the game because of the rain.
15. The doctor can't persuade her to do the surgery.
16. They will repair my car.
17. He has to pay for the damage he caused to my car.
18. I will send a surprise gift to your house tomorrow.
19. I have to finish three essays this week to keep up with the schoolwork.
20. You should wash these fruits carefully before eating.
