单项选择题

John Smith, being a diligent student, never refuses to ______more responsibilities that are assigned to him.

A．take on
B．take in
C．take off
D．take up
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单项选择题
I was advised to arrange for insurance _____I needed medical treatment.
A．nevertheless
B．although
C．in case
D．so that
单项选择题
Ann never dreams of ______for her to be sent abroad very soon.
A．there being a chance
B．there to be a chance
C．there be a chance
D．being a chance
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