基思从仪表板上拿了张地图，摊开放在了膝盖上。
Keith took a map from the dashboard and opened it out on his knees.
哪张图显示了使用太阳能电池板后电力成本的变化？
Which picture shows the change of the electricity cost after the use of solar panels?
他们说他们帮他装上铝的侧板，并为他买了一张车票；但当他转身道谢的时候，他们却已经不见了。
They said they installed aluminium sidings, and bought a bus ticket for him; but when he turned round to say goodbye, they had gone.
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