---- May I smoke here?--- If you , choose a seat in the smoking section.
#62982
A
should
B
could
C
must
D
may
推荐题目
—Why are you late again?—Something happened to our friend Wang Fei. I _____ to help him.
#62788
A
did refuse
B
needn’t have refused
C
couldn’t well refuse
D
did not say no
Why _______ you be so stubborn? You should think over my advice on this matter.
#62210
A
may
B
shall
C
dare
D
must
In ancient times, dogs were mainly ______helping people hunt( 打猎) .Now they are more useful-they can help the blinds, search for the bad eggs,...
#77872
A
bad for
B
used to
C
used for
D
good at
We ________ here on time but we were caught in a traffic jam.
#62326
A
must have arrived
B
could have arrived
C
need have arrived
D
should have arrived
— Who _____ be phoning us at this time of night? — It might be your sister.
#63064
A
might
B
can
C
dare
D
must