That was the highest mountain ______ they had ever climbed.

[　　]

A. where　　　B. which　　　C. that　　　D. there

Mr. Black had sold his house, so the house ______.

[　　]

A. no longer belong to him

B. didn't belong to him any longer

C. was no longer belonged to him

D. would no longer belonged to him

To keep our city ______, we must not spit in public.

[　　]

A. clean　　　　　B. cleaned

C. cleaning　　　 D. being clean

Each time he ______ to the library, he will spend half a day there.

[　　]

A. go　　　B. goes　　　C. will go　　　D. went

This is the very book ________ I want to find.

[　　]

This is one of those books that ________ worth reading.

[　　]

She heard a terrible noise, ________ brought her heart into her mouth.

[　　]

He didn't tell us ________ .

[　　]

________ honest boy he is !

[　　]

The little boy didn't look tired ________ though he had played the whole day.

[　　]