I am afraid that I___finish the task in such a short time.Could you help me.A.can B.am not able to

分类: 作业答案 • 2021-11-12 22:49:17

问题描述：

I am afraid that I___finish the task in such a short time.Could you help me.A.can B.am not able to
C.am going to D.could选什么?

答

选B
be able to 强调能力上的不足,
从句意来看,需要否定形式