看图，完成对话。
（1）A : Whose ________ is this? 

B : It's Helen's.
（2）A : Whose ________ are they?  

B : They're Mike's.
（3）A: I'd like ________ ________ ________ ________ , please.

B: Here you are.
（4）A: The ________ are too small.

B: You can try this pair on.
（5）A: How much is the ________ ? 

B: Sorry, I don't know.
（6）A: What's the time?   

B: It's ________ ________ .
（7）A: What time do you go home?  

B: I go home at ________ ________ .
8.A: ________ ________ ________ now.

B: OK.
（9）A : Shall we ________ ________ ? 

B: Good idea.
（10）A: It's ________ ________ .

B: Yes, it's time to ________ ________ .