If we go on using energy so wastefully ,        are that our oil wells will be dried up before new energy sources can be found to replace oil .

       A．chances    B．difficulties      C．questions D．problems

Patrick has never learned a foreign language,              .

       A．nor does he think he has to     B．neither he thinks he has to

       C．he thinks he has not to ,either  D．he doesn’t think he has to

Not that I’m unwilling to lend you a hand,      I’m too busy for the moment.

       A．because ycy     B．but that     C．but    D．however

I am ashamed, sir, that I wasted the many hours _____ I should have studied in class.

       A. while              B. as                  C. once                     D. when

Yan Zi and Zheng Jie of China ________the Women’s doubles trophy(奖杯)after winning  the final at the Australian Open tennis tournament in Melbourne January 27，2006.

      A．held  B．were holding    C．are holding      D．had held

It will _______ no difference whether our pay will be raised _______ 5% this year.

       A．take; by    B．make; to   C．make; by  D．give; to

       a college or university in the USA, Chinese and other international students must show and prove their strong ability in spoken and written English.

       A．Having been admitted to B．To be admitted to

       C．Admitted to            D．To admit to

It is not easy to learn English well , but if you hang       , you will succeed in the end .

       A．up     B．about C．on     D．down

Not until all the fish died in the river ___ how serious the pollution was.

A.did the villagers realize  B. the villagers realized  C. the villagers did realize D.didn’t the villagers realize

Don’t all speak at once! ___ please.

A. Each at one time   B.One by one time  C.One for each time  D.One at a time