问题 连线题
连线。
1. Be quiet     
2. Don't drink or eat 
3. Don't walk         
4. Don't push         
5. Don't waste food   
A. on the grass.                  
B. in the library.             
C. in the computer room.                                          
D. in the canteen.            
E. in the hallway.         
答案

1. B   2. C   3. A   4. E   5. D

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