—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
推荐题目
—Must I come back before supper, mum?—No, you        .
#76497
A
can’t
B
mustn’t
C
don’t
D
needn’t
–Can you speak French?--Sorry, I______.
#76183
A
needn’t
B
mustn’t
C
can’t
D
may not
You _______ cross the road when the traffic lights are red.
#74937
A
can
B
must
C
mustn’t
D
needn’t
John, you          play with the knife, or you          hurt yourself.
#76292
A
won’t; can’t
B
mustn’t; may
C
shouldn’t; must
D
can’t; shouldn’t
You ________ play with the knife. You ________hurt yourself.
#75972
A
mustn’t; may
B
mustn’t; must
C
shouldn’t; must
D
can’t; should