单项选择题

A．Dangerous diseases.
B．Traffic accidents.
C．Too many children.
D．Few doctors and little medicine.
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单项选择题
A．Money.B．More lunch time.C．Pensions.D．Salaries.
A．Money.
B．More lunch time.
C．Pensions.
D．Salaries.
单项选择题
A．In the office.B．In the market place.C．At a bus terminal.D．At a graduation party.
A．In the office.
B．In the market place.
C．At a bus terminal.
D．At a graduation party.
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