选词填空，补全对话。
A: May I ____________ (help, helping) you?
B: Yes! I want to buy a ____________ (dress, dresses). Where are the ____________ (dress, dresses)?
A: I'll ____________ (show, shows) you. This ____________ (way, dress), please.
Here they ____________ (is, are)!
B: Thanks!
