问题标题:
【___isknowntousallisthattheearthissmallerthanthesun.whynotuse"what".whynotuse"it"】
问题描述:
___isknowntousallisthattheearthissmallerthanthesun.
whynotuse"what".whynotuse"it"
何昱回答:
What注意:isthattheearthissmallerthanthesun这是系表结构,缺主语,所以用What如果用it那thattheearthissmallerthanthesun就是真正主语,可是它前面有is应该这样才对_It__isknowntousallthat...
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