单项选择题


A．on
B．over
C．by
D．during
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单项选择题
A．adequatelyB．attractivelyC．urgentlyD．eagerly
A．adequately
B．attractively
C．urgently
D．eagerly
单项选择题
A．whetherB．whatC．thatD．which
A．whether
B．what
C．that
D．which
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