His father, a famous university professor, who is said to have started his teaching career in Australia, _____ in Nanjing University for more than twenty years.
#101514
A
has worked
B
worked
C
is working
D
will work
推荐题目
--Have you moved into the new house? ---Not yet, the rooms ______.
#103005
A
are being painted
B
are painting
C
are painted
D
are being painting
(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
It is the first time that Chinese astronaut Wang Yue________as one of the volunteers for the Mars-500 test project .
#103597
A
has been selected
B
had been selected
C
has selected
D
selected
—Did Alan enjoy seeing his old friends yesterday? ? —Yes, he did．He ______ his old friends for a long time．
#102911
A
didn’t see
B
hadn’t seen
C
hasn’t seen
D
wouldn’t see
The young boy has come to himself in hospital now. But he ___ unconscious for three days.
#99850
A
has been
B
was
C
had been
D
is