单项选择题

A．constituted
B．substituted
C．exchanged
D．replaced
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单项选择题
A．maintainedB．decidedC．insistedD．determined
A．maintained
B．decided
C．insisted
D．determined
单项选择题
A．lit upB．held upC．built upD．cleared up
A．lit up
B．held up
C．built up
D．cleared up
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