标题: 请教一个GMAT中语法现象 [打印本页] 作者: ohayo 时间: 2004-3-13 16:18 标题: 请教一个GMAT中语法现象 After several years of rapid growth, the healthy care company became one of the largest health care providers in the metropolitan area, but then proved unable to handle the increase in business, falling months behind in paying doctors and hospitals.