I ________ work out the problem at first, but after my teacher showed me an example, I ________ get the answer easily.
#63120
A
couldn’t; was able to
B
can’t; could
C
wasn’t able to; could
D
was able to; was able to
推荐题目
—People find it hard to get across the river．—I think at least two bridges over it．
#77307
A
need
B
are needing
C
will need
D
should be needed
—What do you think of John?—He’s a good boy, but he ______ be really stubborn at times.
#62697
A
can
B
might
C
must
D
need
--- We want someone to design the new art museum for us.--- ____ the young fellow outside have a try?
#62864
A
May
B
Shall
C
Will
D
Need
Take care! Accidents _________ happen along this part of the road.
#62894
A
will
B
would
C
must
D
Shall