【简答题】Pollution is a 'dirty' word. To pollute means to contaminate--topsoil or something by introducing impurities which make【C1】______unfit or unclean to use. Pollution comes in many forms. We see it, smel...
【简答题】Listen and answer the questions 1. True or false? A debit card can be used to buy something now and pay for it later. 2. What do criminals need to make a purchase that you have to pay for? 3. What w...