单选题 You must {{U}}shine{{/U}} your shoes.
  • A. lighten
  • B. clean
  • C. wash
  • D. polish
【正确答案】 D
【答案解析】[解析] 画线词shine为动词,意为“擦亮;擦拭”。A项lighten意为“发亮;照亮”;例:The sky lightened after the rain ended. 雨过天晴。B项clean意为“清除”;例:He cleaned the dirt on the coat. 他擦掉了外套上的污垢。C项wash意为“洗”;例:He washed the dirt on the coat. 他把外套上的污垢洗掉了。D项polish意为“擦亮”;例:Each morning he shaves and polishes his shoes. 每天早晨,他都刮脸、擦鞋。故选D。