can help keep不是help to do么

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canhelpkeep不是helptodo么canhelpkeep不是helptodo么canhelpkeep不是helptodo么都可以!一般的句子,是用helpdosth,可省略to.假如是被动的

can help keep不是help to do么
can help keep
不是help to do么

can help keep不是help to do么
都可以!
一般的句子,是用help do sth,可省略to.
假如是被动的句子,就用help to do
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这里help to keep../help keep 都可以

help (to) do
to可省略