This is the (begin) of our trip He doesn't know what (do) ne

This is the (begin) of our trip He doesn't know what (do) ne Our son doesn`t know what to ( ) at the university ;he can`t "this teacher doesn't know what he's talking about?"said the He doesn't know what to say,for it is the first time that he He doesn't know w___ she thinks of the trip 根据句意和首字母填写单词 This is _ class.So the teacher doesn't know all of his stude （ ）He doesn't know ( ).A.what to do.B.what he can do .C.how He doesn't know the m____ of the word. he doesn't know what should he do in the future.哪里错了,纠正并解释原因 i don't know what this is.do you know who the girl standing This is the_______ (begin) of our tour. He doesn't know the time of day是什么意思?