A. whose; please
B. that; be pleased
C. who; be pleasing
D. whom; please

A. which; what
B. that; that
C. that; what
D. what; that

1. This is the biggest lab ______ we have ever built in our university.
2. Air, ______ we breathe every day, is around us all the time.
3. He is a man of great knowledge, ______ ______ much can be learned.
4. The man, in ______ bag you found your lost money, has been sent to the police.
5. The village has developed a lot ______ we learned farming two years ago.
6. Who ______ has common sense will do such a thing?
7. The reason ______ he didn't come was that he was injured.
8. Oxygen is a kind of gas, ______ ______ we couldn't live.
9. I was surprised at the way ______ he treated the old man.
10. We are living in an age ______ many things are done on computer.

A. when; that
B. that; when
C. which; when
D. that; which

A. on which
B. by which
C. to which
D. from which

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

A. he believed
B. who he believed
C. he believed she
D. whom he believed

A. whose
B. that
C. which
D. what

A. die out, that
B. dying out, that
C. died away, which
D. dying down, which

A. after
B. by
C. at
D. during