We can never expect ________ bluer sky unless we create ________ less polluted world.
[     ]
A. a; a  
B. a; the  
C. the; a  
D. the; the
Jumping out of ________ airplane at ten thousand feet is quite ________ exciting experience.
[     ]
A. /; the  
B. /; an
C. an; an  
D. the; the
 ________Shanghai you see today is quite ________ different city from what it used to be.
[     ]
A. The; / 
B.  /; the
C. The; a 
D. A; a
In 1910, ________ Belgian inventor by ________ name of Bakelite invented the first of the modern
plastics.
[     ]
A. a; a  
B. a; the
C. the; a  
D. the; /
The World Expo was like ________ great stage for cultural exchange, bringing people into closer contact with ________ rest of the world.
[     ]
A．a; /  
B．the; /
C．a; the  
D．the; the
It is ________ great honor for China to develop ________ fastest computer in today's world.
[     ]
A．a; the  
B．an; the
C．an; an  
D．a; a
Jack had________feeling of excitement when hearing his article had been published in________school
magazine.
[     ]
A. the; a  
B. a; the
C. /; the  
D. the; /
It's ________ good feeling for people to admire the Shanghai World Expo that gives them ________
pleasure.
[     ]
A. /; a  
B. a; /  
C. the; a  
D. a; the
First impressions are the most lasting. After all, you never get ________ second chance to make
________ first impression.
[     ]
A. a; the  
B. the; the
C. a; a  
D. the; a

短文改错。
     One day I happened to find the chatting room on
my QQ, there people were chatting in English. I tried
to chat with some of them. To my surprised, I found
the oral English of some junior students were better
than me. I asked them for advice and they told me 
to practise more on QQ. But every day after that I
would spend one hour practise my oral English on QQ.
Day by day I learned from many useful words and
expressions. With time went by, I found that I could
even communicate some college students freely.

1. _____
2. _____
3. _____
4. _____
5. _____
6. _____
7. _____
8. _____
9. _____
10. _____

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