【单选题】---- What do you think of haze(雾霾)? ---- It ____ us we all must try to do something to stop the air pollution.
【判断题】中国大陆对物业管理的探索和尝试始于20世纪80年代初期的上海。
【单选题】Everything will be all right. We must never stop taking a(n) ________ attitude towards life.
【单选题】We must stop all kinds of pollution _________better environment.
【单选题】We must stop pollution _____ longer.
【单选题】We all must do something to stop the environment __________.