I am sorry i don't know____now
问题描述:
I am sorry i don't know____now
A how to do
B what to do
C where to go to
D what start to go
答案为B为什么不是A呢?是因为how to do后面要加宾语吗?
在宾语从句中HOW 和WHAT都应怎么用呢?
答
A 不完整,do 没有宾语,应该是 I don't know how to do it/ this thing?
B 的what 就是do 的宾语 是完整的.所以选B