Air is a _____ of gases.

  A. variety                        B. mixture                           C. extension                       D. combination

I don’t like talking on _____ telephone; I prefer writing _____ letters.  

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

At the age of 29, Dave was a worker, ______ in a small apartment near Boston and ______ what to do about his future．

       A．living; wondering   B．lived; wondering

       C．lived; wondered                    D．living; wondered

You require too much ______ me．It’s beyond my power．

     A．at      B．in      C．of     D．with

 This coastal area        a national wildlife reserve last year.

A. was named           B. named              C. is named            D. names

In this lecture, I can only give you a purely ___________ view of how we can live life to the full and make some suggestions about the future.

A. private           B. personal     C. unique        D. different

      ______housing prices are going up madly, it is almost certain that the local government focuses not on improving people’s life but on trying to earn money by selling state land.

   A. As                 B. If                          C. Where                  D. Unless

   That fellow’s attitude towards others is _______ annoy nearly everyone he meets.

   A. such as to          B. so as to                    C. such as                     D. as to

I shall never forget those years   I lived in the country with the farmers,    has a great effect on my life.

A. that; which              B. when; which             C. which; that        D. when; who

------How did you sleep last night?

------Like a log. Never slept___.

A. bad               B. worse             C. well            D. better