题目内容：

选择括号内恰当的单词或词组填空，使句意完整

1.——             （Which , Whose）schoolbag is that?

    ——It’s Tom’s.

2.—When did you hear the news?

—I know nothing about it              （until , after）my friend told me.

3.One of my friends              （are , is）a doctor.

4.My mother is feeling              （badly , terrible）. She must have a cold.

5.We’re OK. Don’t              （worried , worry）about us.