这个对话是一个买东西的对话A是售货员 B是买东西的人
对话前面我添了 意思就是B想个他儿子买件毛衣
A （ ）
B He is about 1.75 meterstall ,.He is very strong. I always buy him.clothes in a larger siza
A I see ( )
B The style is all right.I am not sure about the colour ( ) if he does not like the colour?
Asure you can change it
B ok I will take it
what size does he wear？
how about this clothes?
What size is your son?
What kind of clothes do your son like?
Could I come to change the clothes
what size does you son wear?
how about this one?
whether
A .How tall is he? and is he strong..
A How about this one, it's the new arrival.
B as
How tall is he?
What about this style ?
Can I change it