根据对话内容,选择合适的句子填空。
A. What are you going to take?
B. Where are you going to go?
C. Who is going to go?
D. When are you going to go?
Amy ①?
Sam: I'm going to go to Beijing.
Amy ②?
Daming: Clothes, shoes ….
Sam: ③ ?
Daming: At six o'clock tomorrow morning.
Sam: ④ ?
Daming: It's me.