关于need的
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!
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.