单项选择题

A．the one of a professor
B．that of a professor
C．a professor
D．that of a professor’s
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单项选择题
A．is fit forB．fitC．it is fit forD．which fits
A．is fit for
B．fit
C．it is fit for
D．which fits
单项选择题
A．citizenB．farmerC．workerD．person
A．citizen
B．farmer
C．worker
D．person
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