11. they win, they will be

12. send, will come

13. won't understand, whisper

14. press, will save

15. will answer, has

16. will remember, give

1. If the flats were clearly numbered, it wouldn't be difficult to find anyone

2. If I knew her e-mail address, I could tell you

3. If I had a spare ticket, I could take you to the concert

4. If you study harder, you will pass

5. If they don't understand the problem, they won't find a solution

6. If he didn't sit around too much, he would be fit

7. If you don't use less smartphone, your eyes will hurt

8. If people get little sleep, they will be very tired

9. If she weren't thin, she wouldn't feel cold so much

10. If you polish your shoes, you will look smart

OK

62 D

63 D

64 D

65 C

66 D

Reading 20

1 It is a national and family festival

2 Yes, there are

3 They behave well 

4 Mid-Autumn, New Year'Eve,....