Mary couldn’t________ the terrible working conditions in that factory and resigned last week.

A. catch up with B. keep up with

C. put up with D. come up with

— Do you think it's a good idea to make friends with your students?

—________, I do. I think it's a great idea.

A. Really B. Hopefully

C. Actually D. Eventually

It is______ of him to set his aim high but do little, so he is always leaving things undone.

A. specific B. typical

C. flexible D. widespread

Please tell me how the accident _______. I am still in the dark.

A. came up B. came out

C. came to D. came about

This factory produced much dirty water, which resulted in a wide _______ of environmental problems.

A. branch B. range

C. species D. wave

People who do not smoke have less ______of suffering from lung cancer than those who do so.

A. potential B. pattern

C. preference D. prejudice

Studying Tom’s menu, I found that many of the items are similar to ________ of McDonald’s.

A. those B. ones C. any D. all

Had they known what was coming next, they _________second thoughts.

A. may have B. could have

C. must have had D. might have had

The police were seeking more information to find out________ killed the rich merchant.

A. who it was that B. who was it that

C. it was who D. who was it

One can always manage to do more things, no matter______ full one’s schedule is in life.

A. howB. what C. whenD. where