单项选择题

A．That there was no effect.
B．That it improved operations.
C．That operations became less efficient.
D．That the employees became dissatisfied.
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单项选择题
A．To visit the Modem Museum.B．To make a good plan.C．To visit museums.D．To visit a music school.
A．To visit the Modem Museum.
B．To make a good plan.
C．To visit museums.
D．To visit a music school.
填空题
occurred
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