The old man, ______ abroad for twenty years, is on the way back to his motherland.

A. to work

B. working

C. to have worked

D. having worked

It’s ten years since the scientist _________ on his life’s work of discovering the valuable chemical.

A. made for

B. set out

C. took off

D. turned up

Tom owns ______ larger collection of ________ books than any other student in our class.

A. the; 不填

B. a; 不填

C. a; the

D. 不填; the

More patients ______ in hospital this year than last year.

A. treated

B. have treated

C. had been treated

D. have been treated

The man insisted ________ a taxi for me even though I told him I lived nearby.

A. find

B. to find

C. on finding

D. in finding

He got to the station early, ______ missing his train.

A. in case of

B. instead of

C. for fear of

D. in search of

______ I accept that he is not perfect, I do actually like the person.

A. While

B. Since

C. Before

D. Unless

—I don’t mind telling you what I know.

—You _______. I’m not asking you for it.

A. mustn’t

B. may not

C. can’t

D. needn’t

I will never know what was on his mind at the time, nor will _________.

A. anyone

B. anyone else

C. no one

D. no one else

— _______ I didn’t hear you clearly. It’s too noisy here.

—I was saying that the party was great.

A. Repeat.

B. Once again.

C. Sorry?

D. So what?