—How much shall I pay for the phone call? —You________. This is free of charge.
#63321
A
shouldn't
B
can't
C
don't have to
D
mustn't
推荐题目
Is there _______________ to sleep for half a day?
#77754
A
somewhere enough silent
B
somewhere silent enough
C
enough silent somewhere
D
anywhere silent enough
Very loud noises make people ill. So we make great noise.
#76298
A
must ; mustn’t
B
need ; needn’t
C
can ; mustn’t
D
must ; can’t
The driver ____ have drunk a lot before the accident, but I'm not quite sure of that．
#63008
A
might
B
must
C
should
D
would
“No student,” the headteacher stressed, “_______ go out of the school after ten o’clock at night without my permission.”
#62265
A
must
B
will
C
shall
D
may
--- ______ I bring you all the magazines right now?--- No, you don’t have to, but you ______ give them to me tomorrow.
#74955
A
May; can
B
Should; must
C
Can; can
D
Must; had better