According to the requiremengts,the student ______finish the homework on time.
问题描述:
According to the requiremengts,the student ______finish the homework on time.
A.needn't to B.need C.needs D.doesn't need
为什么答案是B?【student不是单数么?为什么不是needs?】
答
如果填needs,说明need 是实意动词 就要用need to do结构,也就是说是needs to finish
选B need 把need看做情态动词 后接动词原形