______how to do it , we had to help him.A.His not knowing B. The boy knowing notC. He not knowing D. The boy's not having known请详细分析
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![______how to do it , we had to help him.A.His not knowing B. The boy knowing notC. He not knowing D. The boy's not having known请详细分析](/uploads/image/z/14025661-61-1.jpg?t=______how+to+do+it+%2C+we+had+to+help+him.A.His+not+knowing++++++++++++++++++B.+The+boy+knowing+notC.+He+not+knowing+++++++++++++++++D.+The+boy%27s+not+having+known%E8%AF%B7%E8%AF%A6%E7%BB%86%E5%88%86%E6%9E%90)
______how to do it , we had to help him.A.His not knowing B. The boy knowing notC. He not knowing D. The boy's not having known请详细分析
______how to do it , we had to help him.
A.His not knowing B. The boy knowing not
C. He not knowing D. The boy's not having known
请详细分析
______how to do it , we had to help him.A.His not knowing B. The boy knowing notC. He not knowing D. The boy's not having known请详细分析
______how to do it ,we had to help him.
A.His not knowing B.The boy knowing not
C.He not knowing D.The boy's not having known
选A
这是独立主格结构
因为前后两句主语不一致,所以用独立主格
【物主代词+非谓语】的结构
B应该是The boy’s not knowing
D不应该用完成时
选D
选D吧
D
选A
D.首先排除B和C,根本就没有主语+动名词的结构,然后根据having known是完成时,强调对现在的影响,因为他不知道怎么做,所以我们不得不帮他,结合分析,选D