"Is this _____watch 　　　　　　?" "No, I think it's Mr Hu's."　　　

[　　]

A.your　　　B. yours　　　C. your one　　　D. your's

A: Whose is this watch?

B: Is it a black_____________ ?　　　

[　　]

A. this watch　　   　B.one

C. the watch　　　    D. the one 

Is this watch ________?

[　　]

I ________ 200 dollars ________ this watch.

[　　]

A．cost; /　　　　B．took; /　　　　C．paid; for

　　Li Dong: ________ is this watch? Is it yours?

　　Mingming: No, it isn't. My watch is at home. You may go and ask Fangfang.

　　Li Dong: Excuse _______ ,Fangfang, is this ______ watch?

　　Fangfang: Let me see. Oh, yes. It's ________.

　　Li Dong: Here ______ _____.

　　Fangfang: __________ ____________ very much.

　　Li Dong : Not at all.