26、Fred is second to none in math in our class, but       , he hardly passed the final math exam.

       A．as a matter of fact                                                               B．as usual

       C．right away                                          D．believe it or not

25、 ― Goods imported from abroad are ______ those made in China.

  ― Yes. Some of the goods made in our country are of high quality.

     A. always as good as          B. always no better than

     C. not so well as                D. not always better than

24、He was busy writing a story, only ______ once in a while to smoke a cigarette.

A. to stop              B. stopping            C. to have stopped  D. having stopped

23、No matter how frequently ______, the works of Shakespeare always attract large audiences.

      A. performed              B. performing

C. being performed      D. to be performed

22、I don’t remember how many years ago ______ people began to grow crops.

   A. it was when                                        B. it was that           

  C. was it when                                         D. was it that

21、 You have no idea how she finished the relay race with her foot   so much.

   A. to wound        B. wound       C. wounded        D. wounding

19、The river beyond our school has become clean again as new measures are ______ to prevent it ______ any further.

   A. taken; polluting                   B. taking; being polluted

   C. taken; being polluted            D. taking; to be polluted

18、----What’s happened to George?

----I don’t know. He ________.

  A. must have got lost                          B. may have got lost

  C. should have got lost                        D. can’t be lost

17、 ―Well, I forgot to bring my dictionary here yesterday.

 ―Oh, actually you___it here, for dictionaries were not allowed to use here yesterday.

A. needn’t bring                                B. needn’t have brought         

C. didn’t need to bring                       D. don’t have to bring