【简答题】四、Complete this introductory paragraph with phrases from the box. Not all phrases will be used.(0.5*4) (24)________________________ , last year (25) ________________________ in the US wasted 42 hours ...
【简答题】You may have known several kinds of police, traffic police, and street police. But have you ever heard of energy-saving ( 节能 ) policemen? A group of 22 of these new policemen went to work last week in...