—What do you think people can do for their aged parents?—They_________ do anything except to be with them and be themselves.
#75775
A
don’t have to
B
oughtn’t to
C
mustn’t
D
can’t
推荐题目
---- May I smoke here?---- If you , choose a seat in the smoking section
#62881
A
should
B
could
C
must
D
may
I can’t leave. She told me that I _______ stay here until she comes back.
#62938
A
can
B
must
C
will
D
may
Doctor Wang at seven o’clock for the conference, but she didn’t turn up.
#62827
A
should have arrived
B
should arrive
C
should be arrived
D
should be arriving