完成下列对话：（每空1分，共5分）
A:                  ?
B:  I’m looking for a coat.
A:                ?
B:  Size M.
A:  How about this yellow one?
B:  I don’t like this colour.                 ?
A:  Yes . we have blue, red and black. How about the blue one?
B:  I  like it .                         ?
A:  sure．Does it fit?
B:  Yes．It fits me well．I like it very much．           ?
A：280 yuan．
B:  OK.I will take it.. Here is the money.
A:  Thank you．
B:  You’re welcome．