摘要：7．Look! Can you see the boys on the playground.

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Look, can you see some boys ________ on the playground?


  1. A.
    play
  2. B.
    played
  3. C.
    playing
  4. D.
    to play
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Look, can you see some boys ______ on the playground? 
[     ]

A. play                      
B. played              
C. playing                
D. to play

查看习题详情和答案>>

Look, can you see some boys ________ on the playground?

[　　]

A．play

B．played

C．playing

D．to play
查看习题详情和答案>>