(2013·高考新课标全国卷Ⅱ)Since nobody gave him any help，he________have done the research on his own.
#62474
A
can
B
must
C
would
D
need
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--- What will the weather be like tomorrow? --- It ______ be rainy, cloudy or sunny. Who knows?
#74404
A
must
B
might
C
shall
D
should
---Mum, I hurt my leg when I climbed the tree. --- You ___ that tall tree. I’ve told you many times.
#62682
A
mustn’t have climbed
B
shouldn’t have climbed
C
couldn’t climb
D
may not climb
— Must we get to the airport before 8 o’clock?— No, you _____. The plane takes off at 12 o’clock.
#75579
A
mustn’t
B
needn’t
C
wouldn’t
D
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
—Show me your permit, please.—Oh, it's not in my pocket. It ________.
#62323
A
must have fallen out
B
might fall out
C
could fall out
D
should have fallen out