关于need的The doctor said he ▁▁▁▁an operation yet.A.need B.need

问题描述:

关于need的
The doctor said he ▁▁▁▁an operation yet.
A.need B.needn’t C.needed not D.didn’t need
是选B还是D
请说明理由!
1个回答 分类:英语 2014-11-30

问题解答:

我来补答
needn't这里是情态动词,所以是……needn't do an operation
而didn't need 这里是作实义动词,didn't need an operation正确,选D.
 
 
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