Don’t play with the dog, Jack, for it ______ be dangerous at times.
#63358
A
shall
B
can
C
should
D
must
推荐题目
--- It’s so late. Our son______ be back!--- Don’t worry. I dare say he ______ have some extra work to do.
#62953
A
can; must
B
will; might
C
should; must
D
must; may
—You praise your son. He works harder than before. —Thanks, I will.
#74700
A
should
B
can
C
may
D
must
You ___ drink wine before driving, or the police will take your license away.
#75332
A
don’t have to
B
needn’t
C
mustn’t
D
may not
-May we leave the classroom now? -No, you ______. You ______ to leave until the bell rings.
#78353
A
mustn’t, are allowed
B
don’t have to, are supposed
C
needn’t, aren’t allowed
D
can’t, aren’t supposed
—Why does Mary look so worried today?—I’m not sure, but she _____ a small accident driving here.
#62738
A
must have
B
might have
C
must have had
D
might have had