(2013·高考天津卷)No one ________be more generous; he has a heart of gold.
#62472
A
could
B
must
C
dare
D
need
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The light in his office is out. He_________ left for home.
#62358
A
must have
B
must have been
C
should have
D
should have been
Tom would rather _________than _________. 
#77217
A
stay at home , go out
B
to stay at home , to go out
C
to stay at home , go out
D
stay at home , to go out
—I think the man over there must be Bob. -- It_______ be him. He has______ to Australia. 
#78073
A
can’t, gone
B
can’t, been
C
may not, been
D
mustn’t, gone