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
What’s Jim doing over there?  He’s_______ his friends.
#39853
A
talking
B
talking with
C
talks
D
talk
---Where is your grandpa? ---He _________ Canada and __________ Toronto for a month. 
#37893
A
has been to, has been in
B
has gone to, has been in
C
has been in, has been to
D
has gone to, has been to