You____tell him the sad news right now.He will soon make a speech at the meeting.You ( ) tell him the sad news right now .He will soon make a speech at the meeting.A.needn't B.needn't to C.don't need D.didn't need

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You____tell him the sad news right now.He will soon make a speech at the meeting.You ( ) tell him the sad news right now .He will soon make a speech at the meeting.A.needn't B.needn't to C.don't need D.didn't need
You____tell him the sad news right now.He will soon make a speech at the meeting.
You ( ) tell him the sad news right now .He will soon make a speech at the
meeting.
A.needn't B.needn't to C.don't need D.didn't need

You____tell him the sad news right now.He will soon make a speech at the meeting.You ( ) tell him the sad news right now .He will soon make a speech at the meeting.A.needn't B.needn't to C.don't need D.didn't need
荅案选A need是情态动词,不需要跟一般的动词一样,否定句中常说needn't

B.needn't to

A
need 作情态动词,否定形式是 needn't ,后面跟动词原形。
如果need 作实意动词,应该是 don't need to

A.正确
needn't和didn't need to都可以,用needn't的时候need做情态动词使用,后面不能有to,所以B错误;用做didn't need to的时候,need做普通动词使用,后面要有to,所以C和D都是错误的。