1. (2020四下·商城期末) 从方框中选择恰当的句子，将其标号填写在相应横线上

A: Can I help you?

B: . I want a T-shirt for my son.

A:

B: Size M.

A:

B: Blue.

A: How about this one?

B: It's all right.

A: It's fifty yuan.

B: OK.

A. What colour?   B. How much is it?   C. Yes, please.  D. I'll take it.   E. What size?