1. 从方框中选择适当的短语，并用其正确形式填空。

either…or   even though   more and more   between……and   at least

1. （1） The girl became  beautiful.

3. （2） He has been there twice.

5. （3）  you do not like it, you must do it.

7. （4） What is the difference  this  that?

9. （5） Tom is going to buy  a guitar  a piano.