--How much ________ this pair of trousers?

--Ten dollars _______ enough.

　　 A. are, is 　　　　B. is, are　　　　 C. are, are　　　 D. is, is

In the 2004 Shanghai Industrial Fair,        electronic equipment,good in both quality and style,will be shown.

A.a large number of                                      B.a good many

C.masses of                                                        D. supply of

______ is reported that many young people go to big cities to earn money.

A. This           B.  That          C.  It              D. As

I believe that those mountains ________ with trees in a few years’ time. 

A. are covered         B. will be covered   C. are covering             D. will cover

Interestingly, the pet dog has been____to carry newspapers for its master.

A.  trained   B.  checked   C.   changed   D.  turned

_____， he often forgot to turn off the lights.

A. Even better       B. Strange               C. However        D. Fortunately

Being poor, she had to borrow a new so as to attend the party.

A. cloth　 B. clothes　 C. clothing　 D. dress

This new kind of chemicals will help keep the air, soil and water________ from pollution.

   A. free                    B. empty              C. loose           D. short

David was extremely excited at the good news that he would get a chance to the Rock Club to see the great man he admired ___________.

  A. in his honor         B. in the distance                C. in the shadow       D. in the flesh

I know the man by ____ but I have never spoken to him.

     A. chance     B. heart     C. sight     D. experience