－What do you think we can do for our aged parents?－You_______ do anything except to be with them and be yourself.
#63541
A
don’t have to
B
oughtn’t to
C
mustn’t
D
can’t
推荐题目
— I can’t get through to the general manager’s office.—The line is busy. Someone ________ the telephone.
#76155
A
must have used
B
could use
C
could have used
D
must be using
“No student,”the headteacher stressed, “_______ go out of the school after ten o’clock at night without my permission. ”
#63373
A
shall
B
will
C
must
D
may
---I was trying to carry out the plan, but I failed.---Well, you _____, for we were uncertain it would do ____.
#63211
A
needn’t do that, in fact
B
needn’t have done, in effect
C
needn’t have, in practice
D
needn’t, in time