III. Choose the best option.

20. I…………..out if I hadn’t been so tired.

a. will go b. went c. would have gone d. would go.

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.