I don’t smoke now, but I _______ for more than twenty years. 
#100053
A
smoked
B
was smoking
C
have smoked
D
had smoked
推荐题目
--I hope you liked the movie last night.--How on earth do you know I went to the cinema? I ______you.
#100157
A
haven’t told
B
hadn’t told
C
didn’t tell
D
wouldn’t tell
--How ___ your daughter ___ at university? ---She’s doing fine. Thank you.
#104028
A
is . getting along
B
has, got along
C
does, get along
D
was, getting along
It i s the second time that the poor area_______.
#101272
A
had been visited
B
has been visited
C
was visited
D
is visited
Lin Tao has returned from the UK recently. He ______ at Cambridge for four years, during which we ______ with each other on the Internet.
#100453
A
has studied; has communicated
B
had studied; communicated
C
studied; had communicated
D
studied; communicated