1. 根据语境从方框中选择恰当的单词填空，有的需要变换形式。

stupid,   sir,   jacket,   officer

1. （1） —Can I help you?

   —Yes, please, I'd like some apples

3. （2） They areand they work at same police station.
5. （3） How can you be so? You shouldn't trust him.
7. （4） Put on your now, kids.