完成对话根据对话内容和所给的句子选项，将对话补充完整，使其通顺达意。答题时，将所选句子的序号写在答题卷上相应的空格内。
A: Hello, can I help you?
B: Hello, I’d like to buy a coat.
A: __________
B: I like a yellow one.
A: The coat is young people’s favourite. __________
B:  It  looks cool. __________A:  Sure. Please go to the dressing room (试衣间).
B:  Great! It is my size. __________
A:  150 yuan.
B:  Oh. __________    Do you have a cheap one?
A:  Sorry. It is the cheapest (最便宜) one in our shop.
B:  OK. 6
A:  That’s too expensive.
B:  I’ll take it.
C:  Can I try it on?
D:  Take a look, please.
E:  What colour do you like?
F:  How much does it cost?