1. 用方框所给的单词的适当形式填空。每词限用一次。

behind    paper    wait    eighty    information

1. （1） Go and meet your father. He at the school gate.
3. （2） Don't write on the . You can use your computers.
5. （3） The old man is over , but still looks healthy and strong.
7. （4） No one knows the plant. Let's find some on the Internet.
9. （5） Don't be afraid when you speak. We will stand right you.