—How do you plan to travel to Beijing, Jack?—I haven’t made up my mind ________to go by plane or not.
#55148
A
if
B
whether
C
when
D
how
推荐题目
 ______ my father ______my mother likes pop music.
#55844
A
Both; and
B
Neither;or
C
Either; nor
D
Neither; nor
They can’t go out        the strong wind.
#55224
A
because
B
since
C
as
D
because of
He met many problems------ he was going over his lessons.
#57608
A
before
B
as soon as
C
since
D
while