题目

Having checked the doors were closed, and ____ all the lights were off, the boy opened the door to his bedroom.   A. why           B. that             C. when        D. where 答案： B.关于欧洲西部旅游景点的说法，正确的是（　　）A．英国的峡湾风光引人入胜B．伦敦的艾菲尔铁塔令人景仰C．南部地中海沿岸国家的海滨沙滩优美宜人D．芬兰的花卉尤其是郁金香闻名世界