—What do you think of the two backpacks? —______ of them are very nice.

—Is that _    _ schoolbag? —No. __  _is white.

______ is impossible if you put your heart into it.

—Do you know Li Na?
—Of course. She's a great tennis player_________ comes from Hubei, China.
A. who B. what C. which

There will be a stamp show in the museum ______ we visited last week.

I’m expecting a digital camera for long, but dad has no time to buy ______ for me.

I think _____ very important for students to study by themselves in the school or at home.
A. it B. this C. that

- Is this your hook? - No._is newer.
A. Mine B. Yours        C. His

Her brother is very busy with his work now, so he has _____ time to read newspaper.

—Who taught ______ English last year?
—Nobody. She taught herself.
A. him        B. her           C. you