Jack doesn’t smoke now, but he ______ for almost twenty years.
#101774
A
smoked
B
was smoking
C
has smoked
D
had smoked
推荐题目
A lot of money can ___ by this way.
#103982
A
save
B
saved
C
saving
D
be saved
 The vegetables in his field ________ well, because they are pollution­free.
#99491
A
are selling
B
have been sold
C
are sold
D
sell
At 4:00 next Friday, I ________TV in my room.
#103609
A
will watch
B
will be watching
C
will have watched
D
will been watching