Everywhere man has cut down __________ forests in order to grow crops, or to use __________ wood as fuel or as building material.

 A. the; the      B. the; 不填　    C. 不填; the     D. 不填; 不填

Tom owns ______ larger collection of ______ books than any other student in our class.

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

Despite such a big difference in __   _ towards what one eats, there is no doubt that people in the west regard the Chinese food as something special.

A. point              B. idea          C. attitude       D. sight

At the meeting they discussed three dif-ferent_______to the study of mathematics。

A．approaches        B．means        C．methods         D．ways

A container weighs more after air is put in,_____proves that air has weight. ?

A. as      B. it? C. that      D. which ?

Please open the window, _____?

A. can’t you         B. aren’t you       C. do you     D. will you

I’m surprised that he _____ in the exam.

A. should fail    B. would have failed   C. may have failed   D. should have failed

—Did you happen to see _________ black and  _________ white cat?

—Is she missing?I told you to take care of her.

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

He spent too much time talking on ______ phone while we were all busy at _____ work.

   A. the, 不填     B. a, 不填     C. 不填, 不填     D. the, the

---- The news is spreading from mouth to mouth.

   ---- Yes, it’s become _____ talk of _____ town.

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