【B20】
A. or
B. very
C. and
D. more
A．It is based on the Federal government.B．It is based on individual school.C．It is bas
A. It is based on the Federal government.
B. It is based on individual school.
C. It is based on respective states.
D. It is based on local communities.
【B10】
A. shown
B. faced
C. exposed
D. covered
【B8】
A. where
B. that
C. its
D. which
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