单项选择题

People on foot can go across the road when ______ .

A．the traffic lights are green
B．they look to the right
C．the road is clear
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单项选择题
What should you do if you are making changes to your house
A．Check 700 plans to build new buildings.
B．Think carefully about those living near yon.
C．Give enough details to the people next door.
单项选择题
What is this text about
A．Using the City Hall.
B．Making telephone calls.
C．The building services in town.
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