The girl sitting next to me on the plane was very nervous, for she            before.
#39482
A
hasn’t flown
B
hadn’t flown
C
didn’t fly
D
wasn’t flying
推荐题目
 The students       the Art Festival when I passed by their school.
#41616
A
celebrate
B
were celebrating
C
will celebrate
D
have celebrated
There _____________ strong winds in the future.
#36214
A
won’t have
B
isn’t
C
don’t have
D
won’t be
—Why _________Beijing Duck?—Good idea. Let’s go.  
#41767
A
not eat  
B
don’t eat
C
don’t you to eat
D
not to eat
He     a bike in the street when he was hit by a car.
#41939
A
was riding
B
is riding
C
rode
D
rides