单项选择题

A．Separating different types of garbage.
B．Disposing of trash properly.
C．Having a family clean-up party.
D．Placing more trashcans on the streets.
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单项选择题
A．At a bank.B．On the street.C．At home.D．In a cafe.
A．At a bank.
B．On the street.
C．At home.
D．In a cafe.
单项选择题
A．Leisure sporting activities.B．Average age of athletes.C．Durability of sporting equipment.D．Public’s impression of the company.
A．Leisure sporting activities.
B．Average age of athletes.
C．Durability of sporting equipment.
D．Public’s impression of the company.
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