单项选择题
A．don't care about emergencies B．are used to sirens C．are attracted by sounds D．don't hear loud noises
A．think of money B．look at each other C．pay: attention to it D．stop crossing the street
A．He imagines sounds that do not exist. B．He exaggerates quiet sounds. C．He thinks taps should be turned off. D．He believes it's rather quiet at night.