1. 用所给的单词的适当形式填空

1. （1） —How much (be) these jackets?
   

   —They are $20.
   

3. （2） Alice wants to (buy) a red skirt.

5. （3） I need a pair of（一双） (shoe).

7. （4） His brother (not have) any orange jacket.

9. （5） The white is 800 (dollar).