--- Do you have any plans for this weekend?--- I’m not sure. I _____ go climbing Mount Baoshi.
#75845
A
must
B
can
C
need
D
may
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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
Days later, my brother called to say he was all right, but ________ say where he was. 
#62801
A
mustn’t
B
shouldn’t
C
wouldn’t
D
mightn’t