I don't know_____________,can you tell me ________________?

问题描述:

I don't know_____________,can you tell me ________________?
A:how swim ,what to do
B:how to swim ,what to do
c:how to do ,what to swim
我想知道选择什么,为什么?

B 我不知道如何游泳,你能告诉我要做什么吗?
这里是考特殊疑问词加不定式做宾语的用法