从方框中选择合适的词，用其正确形式完成对话。

A. No    B. Hello    C. like    D. Don't E. eat    F. about     G. sorry

A: . Helen!

B:Shh, shout!

A: Would you a cake?

B: , thank you.

A: What a sweet?

B: No! Don't in the library.

A: I'm .