To make our city more beautiful, rubbish _      _ into the river.          
[     ]
A. needn't be thrown        
B. mustn't be thrown          
C. can't throw
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科目：初中英語 來源： 題型：013

桯ow hard this job is!

　　梇ou should make more persons __________ you.

　　A.help　　B.to help　　C.helping　　D.be helped

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