I am sorry i don't know____nowA how to doB what to doC where to go toD 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?

I am sorry i don't know____nowA how to doB what to doC where to go toD 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?
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?

I am sorry i don't know____nowA how to doB what to doC where to go toD 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?
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

A他是说不知该做什么 不是怎么做!所以选B 要加宾语的

A的意思是我不知道怎么做了
B是我不知道该做什么了
是根据上下问选择

HOW TO DO是怎么做，WHAT TO DO是做什么