Reading history books______our knowledge of the past.A.helps improve B.helps improving C.help to improve D.help improve 我知道选A history books明明是复数 为什么还要help“s”!秒回

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Reading history books______our knowledge of the past.A.helps improve B.helps improving C.help to improve D.help improve   我知道选A     history books明明是复数 为什么还要help“s”!秒回
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Reading history books______our knowledge of the past.A.helps improve B.helps improving C.help to improve D.help improve 我知道选A history books明明是复数 为什么还要help“s”!秒回
Reading history books______our knowledge of the past.
A.helps improve B.helps improving C.help to improve D.help improve

我知道选A history books明明是复数 为什么还要help“s”!秒回

Reading history books______our knowledge of the past.A.helps improve B.helps improving C.help to improve D.help improve 我知道选A history books明明是复数 为什么还要help“s”!秒回
很高兴能够在这里回答你的问题,这道题的正确答案应该为:
A
主语是 reading history books ,看历史书这件事
并不是 books
所以 help用三单

动名词作主语用单数