To make our country more beautiful, rubbish_______ into the river.
[     ]
A. needn’t be thrown  
B. mustn’t be thrown    
C. can’t throw  
D. may not 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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