1. 用方框中所给词的正确形式填空，每词限用一次。

rise     be     hour     rain     fly

1. （1） As we know, the sun in the east.
3. （2） Tony is able to kites now.
5. （3） It's heavily now. We'd better stay at home.
7. （4） It will take us three to finish all the heavy work.
9. （5） It cold in two days.