单项选择题

Mary is an active______ in social work. She spends much time staying with orphan children every summer.

A．patriot
B．pilgrim
C．participant
D．parasite
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单项选择题
The fishing village, where lives 2000 fisherfolks. was on a small______ of the sea.
A．cape
B．inlet
C．port
D．gulf
单项选择题
He was so mean that he couldn't bear to______ the smallest sum of money for the charity appeal.
A．part with
B．give in
C．pay off
D．let out
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