根据对话内容，从对话后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

Sandy is at home. She is now calling Lisa, her classmate.

Sandy: Hi, Lisa. Have you finished helping your parents?

Lisa: I finished cleaning the living room a little while ago, but I haven't cleaned my bedroom yet. 1  

Sandy: I know what you mean.  2   Do you think you'll be finished soon?

Lisa: I should be done in about an hour.

Sandy:  3  

Lisa: I did the English homework last night.  4   I don't understand it.

Sandy: Me neither. 5 We can help each other work it out.

Lisa: OK. Then we can go and have our hair cut.

Sandy: Great. See you in a little while.

A. I don't math at all.  

B. But I haven't started my math yet.

C. Housework is tiring, and I'm tired  

D. What do you think we should do then?  

E. Why don't we do it together this afternoon?    

F. Have you looked at Monday's homework yet?  

G. I also hate doing the cleaning around the house.