Giải giúp mình 2 bài này vớiiii EX1: CHOOSE THE BEST ANSWER 11. If I ….a lot of money now, I ... a new car. a. have /will buy b. have / would buy c. had/ will buy d. had/ would buy. 12. If I ………you, I ……….do that .a. am/ will b. were /would c. were/ will d. had been/ would. 13. If I were offered the job, I think I ... it. a. take b. will take c. would take d. would have taken. 14. I would be very surprised if he ... a. refuses b. refused c. had refused d. would refuse. 15. Many people would be out of work if that factory...down. a. closes b. had closed c. closed d. would close. 16. If she sold her car, she …much money. a. gets b. would get c. will get d. would have got. 17. They would be disappointed if we……………. a. hadn’t come b. wouldn’t come c. don’t come d. didn’t come. 18. Would John be angry if I … his bicycle without asking? a. take b. took c. had taken d. would take. 19. She ...terrible upset if I lost this rin .a. will be b. would be c. were d. had been. 20. If someone…in here with a gun, I would be very frightened. a. would walk b. walks c. had walked d. walked. 21. What would happen if you … to work tomorrow? a. don’t go b. didn’t go c. won’t go d. wouldn’t go. 22. We ‘ll get wet if we ...out. a. go b. did go c. went d. had gone. 23. If I go shopping, I … some food. a. buy b. will buy c. would buy d. would have bought. 24. If I find it, I … you. a. will tell b. would tell c. had told d. told. 25. What would you do if you…a million dollars? a. would win b. win c. had won d. won. 26. They ‘d be hurt if I ………………. a. don’t go b. didn’t go c. hadn’t gone d. wouldn’t go. 27. If we took the 6: 30 train, we…too early. a. would have arrived b. arrived c. will arrived d. would arrive. 28. If I had known you were in hospital, I …to see you. a. will go b. would go c. went d. would have gone. 29. If I …., I would have said hello. a. had seen b. see c. saw d. would see. 30. I … out if I hadn’t been so tired. a. will go b. went c. would have gone d. would go. 31.If I ..a camera, I would have taken some pictures. a. have b. had c. would have d. had had. 37. If I see him, I (give) him a gift.​ 38. If I had a typewriter, I (type) it myself. 39. If I had known that you were in hospital, I (visit) you. 40. You could make better progress if you (attend) class regularly. 41. If I (know) his telephone number, I'd give it to you. EX2:REWRITE SENTENCES 1.I'll buy a new hat. I'll give it to you.If_________________________________________. 2. Today isn't Sunday. The pupils can't go swimming.If_____________________________. 3. He wasn't here. He didn't have a lot of fun.If___________________________________. 4. My brother will have enough money. He will buy a bicycle.If______________________. 5. He didn't have time. He didn't read this novel.If______________________________. 6. Because she missed the bus, she was late.If______________________________. 7. Peter doesn't study hard, so he can't get good marks.If___________________________. 8. My sister is absent from her class because she has a terrible headache. If______________________________. 9. Windy didn't come, so we cancelled the meeting.If______________________________. 10. He was angry, so he didn't say anything.If______________________________.