单项选择题

A．Designing better cars.
B．Building more highways.
C．Increasing people’s awareness of traffic problems.
D．Enhancing drivers’ sense of responsibility.
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单项选择题
A．Highway crime.B．Poor traffic control.C．Confusing read signs.D．Drivers’ errors.
A．Highway crime.
B．Poor traffic control.
C．Confusing read signs.
D．Drivers’ errors.
单项选择题
A．To tell her the assignment.B．To buy some medicine for her.C．To see the doctor with her.D．To give her an injection.
A．To tell her the assignment.
B．To buy some medicine for her.
C．To see the doctor with her.
D．To give her an injection.
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