完成对话从方框中选择正确选项。(有一个选项与对话内容无关)

A. Can you tell me something about it? B. Have you sent books to them? C. l helped them with their lessons. D. ls it your first time to join in such activities? E. It was a wonderful experience! F. What about you?

A: Hello, Linda. What's your plan for this summer holiday?

B: I have no idea.

A: I'll take part in a social activity with my sister.

B: It sounds exciting.

A: No. I have been a volunteer in a poor village. The children there don't have money to buy books.

B:

A: Yes. I bought them 30 books with my pocket money.

B: What else did you do there?

A: And now we are good friends.

B: Wow! I'd like to join you.