No such authorization ______ be given without the president’s written permission.
#87840
A
should
B
shall
C
would
D
may
推荐题目
. He __________ full marks, but he was so careless as to make a spelling mistake.
#88166
A
must have gained
B
can have gained
C
could have gained
D
must gain
—I’ m sorry. I  ______ at you the other day.---Forget it. I was a bit out of control myself.
#87288
A
shouldn’t shout
B
shouldn’t have shouted
C
mustn’t shout
D
mustn’t have shouted
--Why didn’t Clair apply for the job? She _______ it.--She ________ so, if her daughter hadn’t fallen ill.
#87044
A
can have got; might have done
B
could have got; would have done
C
should have done; would
D
must get; might have done
She________the opportunity,but unfortunately she just let it go.
#86619
A
should have taken
B
must have taken
C
needn't have taken
D
can't have taken
 You _______ late for yesterday’s class meeting, as it was so important.
#87848
A
couldn’t
B
shouldn’t be
C
mustn’t have been
D
oughtn’t to have been