Minister Bill De Blasio in office fewer than 48 hours when he came face to face with his biggest challenge in his life．
#63755
A
has been
B
had been
C
would be
D
is
推荐题目
—Does he know how to work out the problem? —Yes, he has _______ a good idea to solve it.
#63779
A
caught up with
B
kept up with
C
come up with
D
put up with
I have to see the doctor because I ________ a lot lately.
#63773
A
have been coughing
B
had coughed
C
coughed
D
cough
-- 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
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