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
—Tony, ____you _____ smoking?   —Yes. Drinking tea is my favorite now.
#38738
A
will; stop
B
are; stopped
C
would; stop
D
have; stopped
 By the time I got home, Gina and her sister ______ their project already.
#40028
A
finished
B
have finished
C
had finished
D
will finish
It’s more than 8 years since I         a teacher.
#39801
A
become
B
has become
C
became
D
becomes
---Is that Jack speaking?  ---Sorry, he _______ in. He _______ back in half an hour.      
#41814
A
isn’t; will be
B
wasn’t; will
C
isn’t; is
D
wasn’t; was