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It's Graduation Day—a day that's getting quite familiar to Marc and Beverly Ostrofsky of Houston.Today, they'll attend two graduation ceremonies, one for their daughter Shelly, 22, from Washington University in St.Louis and another for their daughter, Mary Grace, 18, from Kincaid High School.Mary Grace will head to Boston University.Kelly, 22, graduated last Sunday from Duke University.Tracy, 20, is a sophomore (二年级学生) at the University of Denver.The oldest, Maddy, 23, graduated from Berklee College of Music last year. So what's the cost of putting five daughters through c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