金属、玻璃、纸之类的废弃材料是可以回收利用的.
Many waste , such as metal, glass and paper, can be .
Robin never bought (I) a drink when we were together.
月球上的食物很可能会以药片的形式存在,而且味道没那么可口.
Food on the moon would most probably be pills and would not be tasty.
一天工作之后,他精疲力尽.
After a day's work,he was .
结果证明,谋杀案和那个工程师无关.
It turned out that the engineer the murder.
约翰太粗心了,不能照看好他的宠物.
John is look after his pets well.