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 Weshoulddoallwecan

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問題詳情:

 Weshoulddoallwecan

 We should do all we can ______ the children who lost the chance to go to school.

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

【回答】

A

知識點:非謂語動詞

題型:選擇題