单句改错 It is known to us that reading books widen our knowledge
题目
单句改错 It is known to us that reading books widen our knowledge
哪里错了?
答案
应该是widens
widen 及物动词,拓宽,拓展.
that reading books widens our knowledge是that引导的主语从句,从句中的主语是reading books,动名词短语作主语,谓语用单数.
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