he girl sitting next to me on the plane was very nervous, for she            before.
#36660
A
hasn’t flown
B
hadn’t flown
C
didn’t fly
D
wasn’t flying
推荐题目
—Tom wants to know if you ___ a picnic next Sunday.—Yes. But if it ___, we'll visit the museum instead.
#39864
A
will have; will rain
B
have; rains
C
have; will rain
D
will have; rains
As they get older, they continue     the hobby.
#42574
A
do
B
doing
C
did
D
are doing
— Is Mike at home? — No. He ________ with his friends now.
#42382
A
swims
B
is swimming
C
swam
D
will swim