Ⅰ．选择填空。(15分)

(   ) 21. ―Have you practiced your English _________?

―Yes, I have . I’ve _________ practiced it.

A. yet , already      B. already , yet    C. already, already 

(   ) 22.  The traffic in the city _____ be terrible, but now it has improved a lot. I think you will _____ it soon.

A. use to; use to   B. get used to; used to   C. used to; get used to

(   ) 23. ―How many people will come to Beijing this year?

―It’s hard to say ._________ people, I think.

A. Three millions    B. Three millions of      C. Millions of

(   ) 24.  There is _____ pollution in the world. We must stop it.

A.much too              B.too much             C.many too            

(   ) 25. ―How long have you lived in this town?

―_____ 2001.

A.Since                        B.In                            C.Until

(   ) 26. ―David has made great progress recently.

―_____, and _____.

A.So he has; so you have   B.So he has; so have you 

C.So has he; so have you

(   ) 27. ―___ you ____ your homework yet ?

― Yes . I ____ it a moment ago .

A.Did ;do;finished         

B.Have;done;finished    

C.Have; done;have finished

(   ) 28. ― It smells terrible. What has happened here?

― Look, there is much waste gas _____ from the chemical factory.

A.pouring                           B.pour             C.pours