同义句改写。

1. How about going shopping this afternoon?

                 going shopping this afternoon?

2. Even if you are with your friends, it is better not to speak loudly in public places.  

Even if you are with your friends you                   your voice      in public places.

3. Would you mind my opening the door?  

Would you mind                  the door?

4. I will do it at once.  

I will do it                  .

5. They will get to the airport very soon.  

They will get to the airport                  .