4.　　 On the Double Ninth Festival, we Chinese often h_______ our ________(祖先).

3.　　 In my o________, the boy will p________(可能) come to do the job because he likes it so much.

2.　　 No f________ or ________(冲突) are allowed on Peace Day.

1.　　 People often consider The Red Cross the s________ of the medicine.

20.　 We must do what we can do to keep the ________(平衡) of nature.

Unit 14

19.　 When I was home, mother had already prepared t________ food for me.

18.　 Doctor, I think I have got a headache. Can you _________(检查) me?

17.　 In the r_________, it says that I must use two eggs and some tomatoes.

16.　 This drink is a m_________ of three different sorts.

15.　 Apples have red or green p________.