选择下面方框中的句子填入适当的位置，使对话完整，有两项多余。
A: What are you going to be when you leave school?
B: _________________
A: ____________________
B: No. I'm not. I'm going to sing rock music.
A: ____________________
B: I'm going to take singing lessons.
A: When are you going to start?
B: ____________________
A: ______________________
B: In New York.

A．How are you going to do that?

B．Where are you going to take singing lessons?

C．I’m sorry.

D．I want to be a singer.

E.Sure, you can.
F.I’m going to start next week.
G.Are you going to sing country music?