单项选择题
A．to spend five minutes checking the car before you leave B．to carry some emergency spares with you C．to buy a cheap set of spares before leaving D．to prevent all breakdowns from happening
A．with a moment of sudden realization of inspiration B．with the knowledge of what is needed C．after you have climbed some muntains D．when you have climbed some mountains
A．responded quickly saying it was a lie B．believed him C．gave a suspicious look as much as to say he had heard such stories before D．just took his story as a joke