情景对话。根据对话内容，从对话后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。（每小题1分,共5分）
W:  ____【小题1】________
M: Yes.Iam looking for a nice shirt for my son.
W:    【小题2】_____
M:  Blue. Boys get dirty easily,don’t they?
W:  That’s right .But… What size would you like?
M:  Size 6.
W:    ___【小题3】______
M:  It looks nice. How much does it cost?
W:  It’s thirt-Five dollars.
M:  Oh,   【小题4】___
W:   【小题5】 .We have sold a lot of these.
M:  Ok, I will take it.

A．What colour do you prefer?

B．I prefer the colour.

C．May I help you?

D．How about this one?

E. That’s expensive.
F. I think it’s very cheap.
G. How about this one? It’ only 16 dollars.