A. Keep to the right. B. Talk quietly. C. Work quietly. D. Keep your desk clean. E. Take turns.
1．The boy is talking in the library. ( ) 2．We are getting on a bus. ( ) 3．He is colouring at his desk. ( ) 4．They are writing in class. ( ) 5．They are walking down the stairs. (下楼梯) ( )
A. B. C. D. 1．Some Children are reading in the library. But Lucy is talking. ( ) 2．They are having class in the computer room. ( ) 3．Tom is having a picnic. He’s playing near the lake. ( ) 4．She is colouring at the desk. ( )
B. 
C. 
D. 
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