单项选择题
A．don’t care about emergencies B．are used to alarms C．are attracted by sounds D．don’t hear loud noises
A．more convenient than cars B．safer traffic tools than cars C．ridden by most people in U.S. D．the solution to some city problems
A．Whenever people tell the truth, they are really lying. B．You can’t trust gamblers. C．All governors help their states. D．The truth can be Used in dishonest ways.