You___the news;it would make him sad.为什么?为什么?You___the news;it would make him sad.A don't need to tell him B don't need telling him C need not to tell him D need not telling him
问题描述：
You___the news;it would make him sad.为什么?
为什么?
You___the news;it would make him sad.
A don't need to tell him B don't need telling him
C need not to tell him D need not telling him
答
need not doing 不需要做，但已经做了
need not to 不需要做，还没做
后面是虚拟语气，所以不选bd
need在这里不做情态动词
所以选A
答
选a
need 作实意动词时need to do sth/sth表示 需要,有...必要
作情态动词时need do sth需要,必须
need 有时后面也跟doing表示被动如The chair needs repairing=The chair needs to be repaired
前两者区别于否定的形式，这样就可以排除c
最后一个区别于意思bd
答
选A,need的用法：1,need做情态动词,need do sth “need ”后面是不加to的,也不可以跟“doing”ps:这里的need后面是要加个动词原形的!2,need做实意动词,need to do sth 表示某人要做某事need diong是某事需要被做是动...
答
need
need not do sth.情态动词
don't need to do sth 一般动词
所以选A