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。

A: 1_____?

B: I'm writing a letter.

A: But you don't often write. 2_____?

B: I'm writing to my aunt.

A: 3_____?

B: Just to thank her for giving me the birthday present.

A: But 4_____.

B: No, she hasn't sent me anything this year. I'm writing to thank her for last year's present.

A: Do you think she will understand you?

B: Of course,my letter will help her remember 5_____.

A: So you're expecting another present from her.

A. What do you want to tell her

B. that my birthday is coming soon

C. How are you

D.What are you doing

E.she hasn't sent you a present this year

F.She is not only my aunt but my friend as well

G. Who are you writing to