21.
根据情景,在空格处填人适当的句子,补全对话。
A: Hello, Jack. Nice to see you!
B:
A: You speak English so well.
B: No, I'm from America.
A:
B: Chinese? Only a little.
A: But can you help me with my English?
B: No problem!
A: That's a good idea!
B: Let's work together(一起)!