这里为什么要有do呢?How do you know?
这里为什么要有do呢?How do you know?
How do you know?
do you know how()
how do you know
Do you know how large the earth is?请问这里为什么要加is?
How do I know you?
Do you know when he left?这里为什么用left
为什么要用do you know how he gets to school,不用 do you know how do
为什么不是Why do you know that,而是How do you know that
what's thing make you so happy?how do you know this?为什么一个要DO
DO you have a basketball?这里为什么要有DO 做什么成分
I dont know what to do.在这里为什么不能把what改为how