单项选择题

A．Less than 30 minutes.
B．From 30 to 45 minutes.
C．At least 45 minutes.
D．More than 30 minutes.
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单项选择题
A．At the information desk.B．In a department store.C．In a restaurant.D．At a railway station.
A．At the information desk.
B．In a department store.
C．In a restaurant.
D．At a railway station.
单项选择题
A．On a bicycle trip.B．Toa recycling center.C．To a paper mill.D．On a business trip.
A．On a bicycle trip.
B．Toa recycling center.
C．To a paper mill.
D．On a business trip.
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