单项选择题

A．duty
B．responsibility
C．obligation
D．mission
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单项选择题
A．The library.B．The theatre.C．The research center.D．The laboratory.
A．The library.
B．The theatre.
C．The research center.
D．The laboratory.
单项选择题
A．tailoredB．fashionedC．adoptedD．adjusted
A．tailored
B．fashioned
C．adopted
D．adjusted
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