题目内容：

 

1.Both of them are ___________ (迷) of the singer Chen Yixun.

2.Kim played a ______ (中心的) role in the whole discussion.

3.The book ________ (描述)how birds live.

4.Be more careful! That car ___________ (almost) hit you just now.

5.Lily’s parents have been to London ____________ (two times).