单项选择题

A．Improved highway design.
B．Better public transportation.
C．Regular driver training.
D．Stricter traffic regulations.
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单项选择题
A．To let in the sunshine.B．To serve as its door.C．To keep the nest cool.D．For the bird to lay eggs.
A．To let in the sunshine.
B．To serve as its door.
C．To keep the nest cool.
D．For the bird to lay eggs.
单项选择题
A．Drive them out.B．Request them not to speak their language.C．Request them not to speak so loudly.D．Request them to sleep earlier.
A．Drive them out.
B．Request them not to speak their language.
C．Request them not to speak so loudly.
D．Request them to sleep earlier.
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