11. He has twisted his ankle, so he can't play tennis this afternoon. => (NOT) Had _____________, he would have been able to play. * 12. We didn't follow the directions, that's why we got lost. => (WOULD) We ______________________ if we had followed the directions. * 13. You should read more to improve your vocabulary; that's what I'd do. => (WERE) If ______________________ read more to improve my vocabulary. * 14. Jenny can get a puppy only if she promises to take care of it. => (LONG) Jenny can get a puppy ____________________ to take care of it. * 15. I wouldn't mind being transferred to another city if they offered me a higher salary. => (CONDITION) I wouldn't mind being transferred to another city _____________________________ me a higher salary. * 16. Fortunately, they were wearing seat belts, so nobody was seriously injured. => (NOT) If ______________________ seat belts, they could have been seriously injured. * 17. You can borrow my camera providing that you handle with care. => (AS) You can borrow my camera ________________________ care. * 18. Provided she passed her exam, her parents will let her go to Italy for the holdays. => (ON) _________________her exam, her parents will let her go to Italy for the holdays. 19. Should you ever go to Colombia, visit the Museum of Gold in Bogota. => (happen) If _____________to Colombia, visit the Museum of Gold in Bogota. * 20. I think that you shouldn't drink so much coffee. => (WOULDN'T) If __________________ so much coffee.

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20. Windows are used to let in light and _______ out cold. a. to keep b. keep c. keeping d. for keeping 21. It isn't worth while_______ her. a. marry b. to marry c. marrying d. to have married 22. She did nothing but_______ a. cry b. to cry c. to have cried d. crying 23. He can’t live without_______ here. a. being loved b. to love c. love d. loving 24. People are prevented from_______ to the polluted area. a. go b. going c. to go d. to have gone 25. Tourists are not allowed _______ in the Temple. a. to talk b. talk c. talking d. being talked 26. The teacher doesn't allow_______ dictionaries in the final examination. a. being used b. use c. using d. to use 27. The president agreed_______ the Agreement. a. to sign b. sign c. signing d. to have signed 28. He tried to avoid_______ my question. a. answer b. answering c. to answer d. to have answered 29. Paula has given up _______ to lose weight. a. try b. trying c. to try d. to have tried 30. We can't go on_______ like this. a. living b. live c. to live d. to be living 31. Don't keep_______ me while I'm talking. a. interrupt b. to interrupt c. interrupting d. to have interrupted 32. I can't imagine Bill _______ a motorbike. a. ride b. riding c. to ride d. to be riding 33. Sorry to keep you_______ so long. a. waiting b. wait c. to wait d. to have waited 34. She now regrets_______ it. a. say b. having said d. to say d. to have said 35. We decided_______ at home. a. to stay b. stay c. staying d. having stayed 36. Frank tends_______ too much. a. to have drunk b. drinking c. drink d. to drink 37. He doesn't want_______ a. to know b. know c. knowing d. to be knowing 38. I don’t advise anybody_______ in that hotel. a. stay b. to stay c. staying d. to have stayed 39. The mother made her child_______ the word a. repeat b. to repeat c. repeating d. to be repeating 40. My parents don't let me_______ out alone. a. go b. to go c. going d. to be going