Choose the best answer in each sentence below by circling it. 26. If the earth …… move around the sun, everything …… floated. A. didn’t / would be B. doesn’t / would be C. didn’t / will be D. don’t / would be 27. If he had taken my advice, he …… a rich man now. A. would be B. would have been C. had been D. were 28. Unless you …… smoking, you …… better. A. stop / won’t feel B. stop / will feel C. stopped / will feel D. stopped / would feel 29. If you are right, I ….. wrong. A. am B. will be C. would be D. would have been 30. If I …… to the party last night, I …… tired now. A. had gone / would be B. had gone / would have been C. went / would be D. went / would have been 31. Joe can’t hear ……. you shout. A. unless B. if C. providing D. whether 32. You can use my car …….you drive carefully. A. as long as B. whether C. until D. unless 33. You can smoke here …….you leave a window open to let the smoke out. A. as long as B. whether C. unless D. until 34. George won’t lend you any money …….you promise to pay him back. A. unless B. providing C. if D. as long as 35. I’m going now …… you want me to stay. A. unless B. providing C. provided D. as long as 36. If Jake …… to go on the trip, would you have gone? A. hadn’t agreed B. didn’t agree C. doesn’t agree D. wouldn’t agree 37. If I could speak Spanish, I …… next year studying in Mexico. A. would spend B. would have spent C. had spent D. will spend 38. Hung didn’t call Lan because it was too late. A. Hung will call Lan, if it is early. B. If it were not late, Hung would call Lan. C. Hung didn’t plan to call Lan, but he changed his mind at the last minute. D. If it hadn’t been so late, Hung would have called Lan. 39. We/ go/ zoo/ if/ it/ be/ nice/ Sunday. A- We go to the zoo if it is nice on Sunday. B- We will go to zoo if it is nice on Sunday. C- We will go to the zoo if it is nice on Sunday. D- We will go to the zoo if it is nice Sunday. 40. He said "If I had enough money, I could buy that dictionary." A- He said if he had enough money, he could buy that dictionary B- He said if he had had enough money, he could buy that dictionary. C- He said if he had enough money, he could have bought that dictionary. D- He said if he had had enough money, he could have bought that dictionary. 41. He didn’t hurried, so he missed the plane. A. If he had hurried, he might catch the plane B. If he hurried, he wouldn’t miss the plane C. If he had hurried, he could have caught the plane D. He didn’t miss the plane because his hurried.