There is a 20 minute parking _____ here, so we must get back to the car very quickly.

A. freedom   B. limit C. allowance  D. prohibition

. It has always been the _____ of our firm to encourage workers to take part in social activities.

A. plan    B. campaign    C. procedure    D. policy

 _____ his knowledge of the mountainous country, John Smith was appointed as our guide.

   A. In spite of      B. On account of

   C. Regardless of    D. Instead of

 A completely new situation is likely to _____ when the school leaving age is raised to 16.

   A. arouse    B. rise    C. arise    D. abide

 We could see that he was trying to _____ his own responsibility for the delay, instead of accepting his fault.

        A. run over           B. smooth over     C. pass off     D. turn down

. There were no tickets _____ for Friday's performance.

        A. preferable  B. possible  C. considerable D. available

With prices _____ so much, it's hard for the company to plan a budget.

        A.fluctuating                  B.waving                  C.swinging                  D.vibrating

 Although John was the eldest in the family, he always let his sister _____ charge of the house.

  A. take                    B. hold                    C. make                    D. get

. It isn't so much whether he works hard; the question is whether he works _____.

   A. above all    B. in all    C. at all    D. after all

. It is clear that the whole world is passing through a social revolution in which a central _____ must be taken by scientists and technologists.

A. process   B. attention    C. measure    D. part