17. What would have happened if you　　　　　 her child?　 (not help)

hadn’t helped

15.If there _____ no electricity in the future, our life _____ a lot.　 (be, change)

should be; would change

14.It is about time you ____ the medicine, sir.　　 (take)

should take/took

13.I’d rather Tom _____ tomorrow.　　 (come)

came

12. It was ordered that no smoking _____ in the library, which made the smokers unhappy. 　(allow)

be allowed　 　　　　　　　　　　　　　　　　　　　　　　　　　　　

11. They required that we _____ them get in the crops.　 (help)

help　

10. It is suggested that a study plan _____ right now.　 (make)

be made

9. I made the suggestion that they _____ the plan they had made.　 (stick)

stick to　

8. I wish I _____ him the day before yesterday.　 (see)

had seen

7. It seems as if it ____ already summer now.　 (be)

were