1. He was one of the greatest writers _____ had ever lived.

A. who

B. which

C. that

D. as

2. He would try to ingratiate himself _____ his clients in order to earn more money.

A. into

B. with

C. for

D. from

3. Her address made a great impression _____ the audience.

A. at

B. of

C. in

D. on

4. Here is one of the most interesting novels that _____ been published _____ the war.

A. has ... after

B. have ... after

C. have ... since

D. has ... since

5. His companions have threatened to _____ his crimes to the police.

A. impose

B. express

C. enclose

D. expose