1. 用方框中所给的单词填空

in, a, an, orange, it's

1. （1） —What's this?

   — a pen.

3. （2） What's that English?
5. （3） —What's this in English?

   —It's quilt.

7. （4） —What's that in English?—It's an .
9. （5） —Is this apple?

   —Yes, it is.