单项选择题


A．Up till
B．Up in
C．Up with
D．Up to
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单项选择题
A．were controlledB．were storedC．were copiedD．were examined
A．were controlled
B．were stored
C．were copied
D．were examined
单项选择题
A．formerB．originalC．recordsD．material
A．former
B．original
C．records
D．material
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