题目内容：

完成句子。

1. Li Lei does his homework at seven. (改为否定句)

Li Lei ________ ________ his homework at seven.

2.His sister had lunch at school yesterday. (改为一般疑问句)

_________ his sister _________ lunch at school yesterday?

3.The sweater costs 200 yuan .(划线提问)

_______ _______ does the sweater cost?

4.要下雨了.你最好带把伞.

It is going to rain.             Take an umbrella with you.

5.我们俩都不知道他的电话号码。

_______of us ______ his telephone number