1. 用方框中所给的单词填空

please, cup, this, key, an

1. （1） —What is in English?

   —It's a blue jacket.

3. （2） It is a yellow . And it is full of(装满) water.
5. （3） This is a .
7. （4） Spell it, .
9. （5） That is English book(书).