(2009辽宁大连调研I ______ have been more than six years old when the accident happened. 
#90247
A
shouldn’t
B
couldn’t
C
mustn’t
D
needn’t
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  It is really surprising that the girl ______ so early.
#89141
A
has married
B
had married
C
marry
D
will marry
He ________ get into his own house because he has lost his keys.
#88359
A
mustn’t
B
doesn’t have to
C
can’t
D
needn’t
I didn’t see her in the meeting room this morning. She _____ at the meeting.
#90209
A
mustn’t have spoken
B
shouldn’t have spoken
C
needn’t have spoken
D
couldn’t have spoken
They urged that measures _______ immediately to protect the endangered animals.
#87884
A
should take
B
must be taken
C
would take
D
be taken