1. 用方框中所给单词的适当形式填空，每词仅用一次（每空一词）。

heavy    throw    knife    excite    lie

1. （1） It was raining when I came to school this morning.
3. （2） There were dishes, spoons and on the table.
5. （3） He down on the bed and soon fell asleep.
7. （4） We were very to hear this good news.
9. （5） My mother away all the waste things just now.