If you _______ spit at all. please spit in the bucket provided. 
#62536
A
shall
B
must
C
should
D
may
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The man ______ be my father. My father is much taller.
#76764
A
can
B
must
C
can't
D
mustn't
He ________ your car by mistake because he didn't have the keys. 
#62484
A
mustn't have taken
B
shouldn't have taken
C
couldn't have taken
D
needn't have taken