LookThetrafficlighth的精选

问题详情：Look!Thetrafficlighthasturned________stopourcar.A．can B．can't C．must D．mustn't【回答】C由前句“Thetrafficlighthasturnedred.”及常识可知，红灯亮了，必须停车。故选C。知识点：情态动词题型：选择题...