She had wanted to go to the west part of China in search of better view. But she turned ___voluntary teacher there.

A. a; / B. the; / C. the; a D. a; the

—Daddy, which of these smart kids do you like best in last night’s TV show?

— ________ . They are all proud and selfish.

A. Either B. Nothing C. Neither D. None

— Tom seems not so enthusiastic as he was two years ago.

— Yes. He’s really reached a point in his career ______ he has to decide what to do next.

A. thatB. when C. whereD. which

The Chinese abacus(算盤(pán)), officially ______ as a cultural heritage at the 8th Annual UNESCO World Heritage Congress, is another symbol of Chinese wisdom.

A. having listedB. listedC. having been listedD. listing

This nationwide smog should serve as a reminder to all, indicating a high time that we ______ on what we've done to the environment.

A. have reflectedB. are reflecting C. will reflectD. reflected

“Only two centimeters higher, _______break the world record,” encouraged the coach.

A. you will B. and you will C. or you will D. will you

Measures have been taken to fight ________recurring food safety problems, but there is still a long way to go before China can rid itself ________ these issues.

A. for; of B. for; from C. against; of D. against; from

Not until he went through real hardship ________the love we have for our families is important.

A. had he realized B. did he realize C. he realized D. he had realized

He was a bit nervous. He _________his spare breath with a soft sound that was almost heard by the audience.

A. gave out B. let out C. picked out D. blew out.

They__________on the program for almost one week before I joined them, and now we ________on it as no good results have come out so far.

A. had been working; are still working B. had worked; were still working

C. have been working; have worked D. have worked; are still working