——Is there any possible way to help them get rid of such a bad habit? ——To tell the truth, it’s very hard. But we_______ on this problem.
#103283
A
worked
B
had worked
C
are working
D
had been working
推荐题目
—Is everybody here?—Not yet.... Look, there _____ the rest of my students!
#100492
A
comes
B
come
C
is coming
D
are coming
---Mom, can we move into our new house this weekend? ---No, it _________.
#102404
A
is painted
B
is painting
C
was painted
D
is being painted
Though buried in the ruins for about 70 hours after the earthquake, with great luck, the man managed to______.
#99901
A
recover
B
exist
C
survive
D
rescue
Afetr dinner he gave Mr. Richardson ________ride to ________Capital Airport.
#99276
A
the, a
B
a the
C
/, a
D
/, the