6、,nowthere’s________________________thewasteisdisposedofusingtheprinciplesofecology.答案: asystemwhere5.但是,当我们到达一个看上去像是大市场的地方时,由于车辆朝四面八方飞奔,我看不见王平了。However,IlostsightofWangPingwhenwereached________________________alargemarketbecauseoftoomanycarriagesflyingbyinalldirections.答案: w