一道英语情景交际【简单】如下

一道英语情景交际【简单】如下
根据对话内容,选出最佳选项填入空白处.（有两项为多余选项）
Michael: Are you coming to the meeting this afternoon?
Kate:36
Michael: It's about how to protect our environment.
Kate:37
Michael:And I think the problem should be taken seriously.
Kate:38I know lights must not be left on when we don't need them, and we must becareful about how much hot water we use ...
Michael:39 Look around you. Your computer was left on when you were not using it, forexample. And why are you throwing that piece of paper away? It should be recycled. Anyway, you really should not waste so much!
Kate: Oh dear.40
A.What film?
B.What meeting?
C.I think it impossible.
D.I do take it seriously.
E.Perhaps I should come to the meeting.
F.Yes, we must find some ways to do this.
G.Those are important things, but much more should be done!