There are some problem we need _____.A.solve B.solvingC.to solve哪个是正确答案啊?
问题描述:
There are some problem we need _____.A.solve B.solvingC.to solve哪个是正确答案啊?
need什么情况下作情态动词?什么情况下作行为动词?
可是参考答案是solve啊.头痛.有没有更肯定的回答啊?其实我也认为是to solve的.可是...
答
C
need to do sth 就是行为动词,
need (not) do sth就是情态动词
参考答案错了呗