College graduates are offered lots of available jobs, ______, I believe, they can fully demonstrate their knowledge and competence.

A. where???? B. which????? C. that????? D. what

I don’t know why he ________ in the middle of a sentence.

A. broke off???????? B. broke out??? C. broke down??? D. broke up

Nowadays, _______ cars are more and more popular.

A. electronic??????? B. electric?????? C. electrical????? D. electricity

Personally, the job as a teacher _____ be challenging, for I sometimes _____ deal with some smarter but less diligent students.

A. can; have to??????? B. may; can??????? C. has to; may???????? D. ought to; must?

At long last the child was found on top of ______ we call the museum of science and technology.

A. which????? B. that???? C. what??? D. where

I can’t have him _______ fun of others.

A. make??????? B. making???????? C. made?????????? D. to make

The student must be working very hard, ________?

A. doesn’t he?????? B. mustn’t he?????? C. needn’t he?????? D. isn’t he

She ______ 21 in June.

A. becomes?????? B. gets?????? C. grows??????? D. turns

---- Have you bought the newly-produced equipment on display?

?? ----- Not yet, for I still prefer ______ at my home.?

A. the one?????? B. it????????? C. that???????? D. one?

All the students don’t want ________ any misunderstanding among them.

A. there is????? B. there are???? C. there being???? D. there to be