1. 用方框中所给短语的适当形式填空

from now on ，look for ，in a hurry ,hundreds of ,wait for

1. （1） 一What are they doing?

   —Theythe bus．

3. （2） You should not be late．

5. （3） It's nine o'clock．Mr Black must go to the airport .

7. （4） students are playing basketball on the playground．

9. （5） Don't worry．Let me help youyour keys．