补全对话，其中有两项多余

A. Two months. B. When are you leaving? C. Have you got any plans for the summer holidays? D. When did you leave? E. I will go to different parts of the country with the family. F. Which city are you going to?

Lingling: Hello, Daming,

Daming: Hi, Lingling. Yes, I have. I am going to stay with an American family.

Lingling: Wow! That's a good way to improve your English.

Daming: I'm flying to San Francisco. The family live there.

Lingling: How long are you going to stay with them?

Daming:

Lingling: Two months! That's really a long time.

Daming: Well, there's a lot to do in America.

Lingling:

Daming: On July 1st.