I didn’t know  ________.
#38751
A
when did the plane take off
B
when the plane took off
C
when the plane takes off
D
when does the plane take off
推荐题目
Can you tell me what time       ?
#38434
A
is the train leave
B
does the train leave
C
the train leaves
D
leaves the train
I wanted to know _________, but no one would like to tell me. 
#38863
A
what did the old man say
B
how did the old man come
C
whether the old man would come
D
who the old man went
 He is ______ that he does everything very well.
#36547
A
so careful a student
B
so careful student
C
such careful a student
D
a such careful student
He really can’t understand _________ he said was wrong.
#78955
A
what
B
how
C
that what
D
why what