18. You won’t pass the examination……………you study more. a. as long as b. unless c. if d. whether. 19. If I were to leave my country , I ……………disapp

18. You won’t pass the examination……………you study more.
a. as long as b. unless c. if d. whether.
19. If I were to leave my country , I ……………disappointed.
a. probably be b. would have been c. will be d. would be.
20. If I were in your place, I ……….a trip to England.
a. will make b. had made c. made. d. would make.
21. If I ………….. you , I’d save some of your lottery winning.
a. be b. were c. am d. was
22. 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
23. If it …….. convenient, let’s go out for a drink tonight.
a. be b. was c. were d. is
24. If you ……. time, please write to me.
a. have b. have had c. had d. has
25. If you had the chance, ………… you go finishing?
a. did b. would c. may d. do
26. Trees won’t grow ……….. there is enough water.
a. if b. when c. unless d. as