Exercise 1. Choose the best answer to complete the following sentences. 21. If I ………..a camera, I would have taken some pictures. a. have b. had c. would have d. had had. 22. You won’t pass the examination……………you study more. a. as long as b. unless c. if d. whether. 23. If only I …………you wanted to invest money in business. a. had known b. knew c. have known d. know. 24. If I were to leave my country , I ……………disappointed. a. probably be b. would have been c. will be d. would be. 25. If he hadn’t wasted too much time, he…………….in his examination. a. would fail b. wouldn’t fail c. wouldn’t have failed. d. won’t fail. 26. If I had taken that English course, I ………..much progress. a. had made b. would have made c. made d. would make. 27. If I were in your place, I ……….a trip to England. a. will make b. had made c. made. d. would make. 28. If I ………….. you , I’d save some of your lottery winning. a. be b. were c. am d. was 29. If the car ……….. larger, we would have bought it. a. had been b. have been c. has been d. been 30. If I had enough money, I ……… abroad to improve my English. a. will go b. should go c. would go d. should have go to 31. If it …….. convenient, let’s go out for a drink tonight. a. be b. was c. were d. is 32. If you ……. time, please write to me. a. have b. have had c. had d. has 33. If you had the chance, ………… you go finishing? a. did b. would c. may d. do 34. Trees won’t grow ……….. there is enough water. a. if b. when c. unless d. as 35. If you ………. to my advice in the first place, you wouldn’t be in this mess right now. a. listen b. had listened c. will listen d. listened 36. I wish I …….. you some money for your rent, but I’m broke myself. a. can lend b. could lend c. would lend d. will lend 37. If someone ……… into the store, smile and say, “ May I help you?” a. comes b. came c. would come d. could lend 38. If you stay up late the previous night, you ………. sleepy the next morning. a. feel b. to feel c. feels d. will feel 39. If Peter ………., Sarah will be sad because she wants to meet him very much a. comes b. do not come c. does not come d. will come 40. If his teeth still …….., he will have to go to the dentist’s again. a. hurt b. hurts c. to hurt c. will hurt 41. If you…………Tom , tell him I have a message for him. a. will meet b. would meet c. meet d. met 42. If you …………too hot during the night , turn down the central heating.