----- Nội dung dịch tự động từ ảnh -----
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16. I would be very surprised if he .................
A. refuses B. refused C. had refused D. would refuse.
17. Many people would be out of work if that factory .......... down.
A. closes B. had closed C. closed D. would close.
18. If she sold her car, she .............. much money.
A. gets B. would get C. will get D. would have got.
19. They would be disappointed if we ...................
A. hadn't come B. wouldn't come C. don’t come D. didn’t come.
20. Would John be angry if I ........... his bicycle without asking?
A. take B. took C. had taken D. would take.
21. She ............. terrible upset if I lost this ring.
A. be B. would be C. were D. had been.
22. If someone ............ in here with a gun, I would be very frightened.
A. a. walk B. b. walks C. c. had walked D. d. walked.
23. What would happen if you .......... to work tomorrow?
A. don’t go B. didn’t go C. won’t go D. wouldn’t go.
24. We’ll get wet if we .......... out.
A. go B. did go C. went D. had gone.
25. If I go shopping, I .......... some food.
A. buy B. will buy C. would buy D. would have bought.

Exercise 6: Rewrite the following sentences:
26. He can’t go out because he has to study for his exam.
=> If ..............................................................
27. She is lazy so she can’t pass the exam.
=> If ..............................................................
28. I didn’t eat lunch, I feel hungry now.
=> If I ...........................................................
29. I only come if they invite me.
=> unless ........................................................
30. Leave me alone or I’ll call the police.
=> Unless .........................................................

31. If you arrive at the office earlier than I do, please turn on the air-conditioner.
=> Should .........................................................
32. The children don’t go to school in the snowy weather.
=> If it ...........................................................
33. He died so young; otherwise, he would be a famous musician by now.
=> Had ...........................................................
34. You must tell me the whole truth or I won’t help you.
=> Unless ........................................................
35. The car breaks down so often because you don’t take good care of it.
=> Were I .........................................................
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