补全对话，根据对话内容,从方框内的选项中选出能填入空白处的最佳选项,其中有两个为多余选项。

A. What else could I do? B. They must be very busy. C. What would you like to do? D. After all（毕竟）, I'm not a doctor. E. Will you help clean up city parks? F. When will you go there tomorrow? G. And I think the kids will be glad to see you.

A: Hello, Mandy! Tomorrow is Volunteer Day.

B: Yes, Andy.

A: I'd like to work outside.

B: Work outside?

A: No. Ha ha… I'll help the policemen at the crossing.

B: Wow, sounds like fun! Tomorrow is Sunday.

A: Yes, that's true. What about you?

B: I'd like to help the sick kids in the hospital, but I don't know what to do.

A: You could cheer them up by doing something, such as reading stories to them and playing games with them

B: Oh, I see. Thanks for your advice.

A:

B: I hope so.