Mary _______ her mother with the housework, but she didn’t.
#63072
A
must have helped
B
ought to have helped
C
must help
D
should help
推荐题目
—How dangerous it was!—Yes, but for the passer-by’s quick action, the girl ________.
#63100
A
was drowned
B
could have been drowned
C
had drowned
D
should be drowned
—I want to know if I _______________smoke here. —No, you ______________. Could you see the sign “ No Smoking” there?
#76671
A
can; needn’t
B
must; can’t
C
shall; won’t
D
can; mustn’t
--- Where are we to hold the conversation? --- We’ll go to a quiet place and no one _____ disturb us.
#63638
A
need
B
may
C
must
D
shall
—May I do the rest of the work tomorrow?—Yes, of course. You finish it today.
#74448
A
needn’t
B
mustn’t
C
need
D
must
It was very kind of you to do the washing-up but you _____ it
#62541
A
needn’t do
B
shouldn’t do
C
mustn’t have done
D
needn’t have done