I don’t know _________. 
#38097
A
what is the matter with him
B
what the matter is with him
C
what with him the matter is
D
what the matter with him is
推荐题目
Can you tell me ________ at that time? 
#39062
A
what were they doing
B
what they were doing
C
what are they doing
D
what they are doing
Nobody knows ________ to visit our school .
#79233
A
when will he come
B
when does he come
C
when he will come
D
when he does come
How ______ you did so much work with such a short time?
#79115
A
did it come about
B
did it come about that
C
came about that
D
was it that came about
— The light is still on in his room. Do you know          ?— Maybe he has to study for a test.
#36814
A
if he works hard
B
who he is studying with
C
what he is busy with
D
when he will stop working