根据对话内容，选择恰当的句子补全下列对话。

A: Hi, Jack. You look happy today.

B: Yes. 1. _____ I've got an "A".

A: Congratulations. What are you going to do now?

B: 2. _____ Would you like to play with us?

A: No, I can't.

B: 3. _____ 

A: Next Thursday we'll have an English exam. I'm afraid I may fail the exam. 4. ____ 

B: Don't worry. I can help you.

A: Really? That's great. 5. _____

B: This Friday evening.

A: OK. Thank you.

B: My pleasure.

A. When will you help me?

B. Why? You look worried.

C. When will you have the math exam?

D. You see, I'm not good at English.

E. Do you know I have passed the math exam?

F. Why don't you ask Mrs. Black for help?

G. I'm going to play volleyball with my classmates.