I don't know _________ he will come tomorrow._________ he comes,I'll tell you．
问题描述：
I don't know _________ he will come tomorrow._________ he comes,I'll tell you．
A.if; Whether B.whether; Whether C.if; That D.if; If
为什么ABC都不行,
I want to know _________.
A.whom is she looking after B.whom she is looking
C.whom is she looking D.whom she is looking after
为什么D不行呢?是不是句末不能加介词?
答
don't know _________ he will come tomorrow. _________ he comes, I'll tell you．
A. if; Whether B. whether; Whether C. if; That D. if; If
为什么ABC都不行,解释第一空 if; Whether 都行是引导的宾语从句,第二空只能If 是引导的条件状语从句
I want to know _________.
A. whom is she looking afterB. whom she is looking
C. whom is she lookingD. whom she is looking after
为什么D不行呢?是不是句末不能加介词?解释答案就是D. whom she is looking after