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
What do you think ______solve the problem ?
#37054
A
you can do
B
can you do
C
you can do to
D
can you do to
Simon doesn’t know what_______ today.
#38793
A
wears
B
to wear
C
wearing
D
to wearing