Cars play an important role in modem life, but they also cause many problems like air pollution.
#87845
A
should
B
can
C
must
D
will
推荐题目
If you want to book tickets for the 2012 Olympic Games, just call 00952012. It ______ be simpler.
#87631
A
mustn’t
B
won’t
C
needn’t
D
couldn’t
If it ________ for the heavy rain then, we would have arrived here ahead of time.
#87826
A
shouldn’t be
B
weren’t
C
had not been
D
be not
We were all surprised when he made it clear that he ___ office soon.
#89034
A
leaves
B
would leave
C
left
D
had left
It was dangerous for you to swim in that river. You eaten by the fish.
#87286
A
might have been
B
must have been
C
could have been
D
should have been
A foreign language like English is difficult to learn, so you ____________ work too hard.
#88307
A
can’t
B
must
C
shouldn’t
D
ought to