题目内容：

完成句子。

1.I think she is a little clever. (改为否定句)

I ________ think she _______ a little clever.

2.The dictionary must be Lily’s.(同义句替换)

The dictionary must _______ _______ Lily.

3.People should plant trees in spring. (改为被动语态)

Trees _______ be _______ by people in spring.

4.This is Tom’s book.(对划线部分提问)

______ book ______ this?

5.王杰经常和他父母顶嘴，这让他们很生气。（根据汉语提示完成英语句子）

Wang Jie often _____ _____ to his parents, which makes them angry.