According to the rules and regulations, all payments ________ be made in cash in the shopping center.
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A
shall
B
can
C
must
D
should
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I have two cats. One is black, and ______ is white.
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A
another
B
some
C
other
D
the other
If the students who killed themselves had only been more confident, their deaths ________.
#63688
A
need have been avoided
B
must have been avoided
C
might have been avoided
D
will have been avoided