单项选择题

You can cross the road when ______.

A．there is a little traffic
B．the traffic lights are green
C．the traffic lights are red
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单项选择题
From what we read, we know that ______.
A．Traffic in England is very dangerous in the morning when people go to work
B．There are many beautiful places in England
C．It is very interesting to ride on the left side of the street in England
单项选择题
The visitors to English cities usually like to ______ when they go by bus.
A．ride a bicycle
B．take a car
C．sit on the second floor
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