6.　　　 We must increase our ___________ (产量) to meet the demand.

5.　　　 Taking extra vitamins may ____________ (减少) your possibility of catching cold.

4.　　　 What time is ___________ (合适的) for us to meet?

3.　　　 After 10 years in prison, he was given his ___________ (自由).

2.　　　 The chick finally broke out through the shell and ________________ (挣扎) out of it.

1.　　　 She often carries an umbrella in sunny summer days so that she won’t get _____. (晒黑的)

20. ---What time is it?

　 ---Ten o’clock. I heard the clock in the church _____(敲击) ten.

M4 Unit 2

19. The duty of this __________(组织)is to raise funds for the campaign.

18．The _______(专家) first checked the robot and later make it work again.

17. Will you please __________(解释) this point to us?