If you ________ smoke in the room, please keep the windows open.
#63062
A
should
B
may
C
shall
D
must
推荐题目
—Must I clean the blackboard now? —No, you _______ clean it later.
#76778
A
must
B
needn’t
C
can
D
shouldn’t
―Thank you very much for giving me a hand when I was in trouble.―Don’t mention it. I only did what anyone else _______ in my place.
#62930
A
must do
B
might do
C
would have done
D
can have done
(2013·高考四川卷)—Why are your eyes so red? You________have slept well last night.—Yeah，I stayed up late writing a report.
#62468
A
can’t
B
mustn’t
C
needn’t
D
won’t
—Could I surf the Internet for twenty more minutes, Mum?—Oh, dear, if you________.
#62611
A
must
B
can
C
may
D
should
These broken pieces of plates don’t fit together, they ___________ parts of different ones.
#76107
A
can’t be
B
can be
C
mustn’t be
D
must be