(2013·安徽省芜湖三校一模)A recent study has found that the number of smokers ________ sharply over the past five years.
#99557
A
is increasing
B
are increasing
C
has been increasing
D
have been increasing
推荐题目
I haven' t seen Mary these past few days. I m afraid she ____ herself for some time.
#104846
A
isn't feeling
B
hasn' t been feeling
C
hadn't been feeling
D
wasn't feeling
You can’t imagine what difficulty we had ______ home in the snowstorm.
#99282
A
walked
B
walk
C
to walk
D
walking
How can I ever concentrate if you ________ continually ________ me with silly questions?
#104794
A
have…interrupted
B
had interrupted
C
are…interrupting
D
were…interrupting
The retired teacher is said to have returned from the USA, where he ______ by some of his old students.
#99233
A
would be visited
B
visited
C
had been visited
D
have been visited
I _________ in a foreign trade company for three years. Still, I don’t regret giving up the job and living with my family.
#100155
A
worked
B
have worked
C
had worked
D
have been working