1. 从方框中选择短语并用其适当形式填空，使句子完整、通顺。

cross the line, each other, go together, good idea, make it

1. （1） We're going to visit the Great Wall. Let's .
   

3. （2） I'm busy today. Let's afternoon, OK?
   

5. （3） Michael is running pass them and .

7. （4） — Let's play basketball after school, shall we?
   

   — That's a .
   

9. （5） We had a lot to tell about our trips.