I have to see the doctor because I ________ a lot lately.
#63773
A
have been coughing
B
had coughed
C
coughed
D
cough
推荐题目
Kate ________ on her new novel, which is supposed to come out next month.
#63761
A
was working
B
had worked
C
will be working
D
has been working
Mary said that she ___________ London．
#63780
A
has never gone to
B
has never been ,to
C
had never been to
D
had never gone to
With the rapid growth of population, the city _____ in all directions in the past five years.
#63791
A
spreads
B
has spread
C
spread
D
had spread
In the last few years thousands of films ____ all over the world.
#63784
A
have produced
B
have been produced
C
are producing
D
are being produced
-- I have got a headache. -- No wonder. You_________ on the math exercises too long.
#63776
A
work
B
are working
C
have been working
D
worked