15. As_____ rule, apples are sold by  _____ weight and eggs by _____ dozen.

  A. a; 不填；the            B. a; the; the

  C. a; a; the               D. the; 不填；不填

14. Please don’t run _____ far.

A. much  B. more       C. that      D. fairly  

She chose cushions of a color which would _____ her carpet.

          A. equal      B. agree     C. help    D. match

Many people complain of the rapid _____ of modern life.

        A. rate       B. pace       C. speed      D. growth

7. He said, “_____ a long way to school. ______ a long way to go yet before we arrive.”

A. It is; There is   B. There is ; it is    C. It is; It is      D. There is; There is

9. — Shall I go and buy two more bottles of beer?

— No, I’ve already bought twenty. That _____ be enough for us two.

A. can    B. may     C. ought to    D. might

Tom , you_______ leave all your clothes on the floor like this !

A．wouldn’t     B．mustn’t     C．needn’t      D．may not

Because the youth can’t____the temptation of surfing the Internet, we should take proper measures to stop it.

A. follow         B. affect      C. effect         D. resist

John promised his doctor he _____ not smoke and he has never smoked ever since.

   A. might        B. should       C. could       D. would

Thank you for all your hard work last week.I don’t think we ______ it without you.

A.can manage      B.could have managed

C.could managed      D.can have managed