I just wonder ____ that makes him so excited. 
#79252
A
why it does
B
what he does
C
how it is
D
what it is
推荐题目
 I'd like to know __________or not.
#38218
A
whether will he come
B
if he has come
C
whether he will come
D
that he will come
–Do you know the man under the tree? --Sorry, I don’t know _______.
#39374
A
how is he
B
what is he
C
who he is
D
bother
---Which of the following sentences is CORRECT?
#37977
A
I don’t know when will he come back tomorrow.
B
I have no idea when will he come back tomorrow.
C
I don’t know when he will come back tomorrow.
D
I have no idea when is he coming back tomorrow.