为什么是Do you know how old he is而不是he is?
为什么是Do you know how old he is而不是he is?
how old is he?do you know?2并1 do you know how old_______ ___
How do you know he is depressed?
do you know how old she is
Then how do you know he is happy?
Do you know Who he is?能不能是Who do you know he is
how old do you think he is?和who do you think is the best stu
Do you know the old man?---Yes.He is Mr Wang.He has been sel
do you know_______?A.how old is he B.what his job is C.what
Do you know who is he?
can you think of_________?A how old is he B how old he is C
Then what is it used ,do you know?这里为什么是is it?而不是it is?