根据对话内容，从A到F选项中，选出能填入空白处的最佳选项，每个选项只使用一次，选项中有一项为多余项。

A:Hello, may I speak to Jim?

B: Hello, this is Jim speaking.

A: Bob speaking. Are you available this weekend?

B: Yes. I'll stay at home.

A: Alice and I are going to have a surprise party in my house for our foreign teacher, Mrs. Green. She is going back to the UK.

B: Really? She's my favorite teacher. I'll miss her.

A:

B: Sure, I'd like to.

A: At 6:00 p. m. this Saturday.

B: Great! Let's buy her a gift tomorrow.

A: I can't wait! See you!

B:See you！

A. Would you like to come to the party?

B. Who's that?

C. Here you are!

D. Good idea!

E. What are you going to do?

F. When will the party begin?