单项选择题

He is always helping others without expecting anything__________.

A．with return
B．returning
C．as a return
D．in return
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单项选择题
As a former headmaster, he has always been __________ on education issues and a firm supporter of traditional learning methods.
A．outspoken
B．outgoing
C．outward
D．outstanding
单项选择题
The prices of electric appliances have __________ fallen in recent months.
A．of particular
B．in particular
C．for special
D．specially
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