请问一下老师就是 Viruses are emerging more frequently than ever before 的完整形式是Viruses are emerging more frequently than viruses are emerging ever before 吗?也就是ever before 修饰因为前面重复而被省略的viruses are emerging.
1.Cities should supply water to every people at no cost.请问这里的“to every people”和“at no cost”都是作状语对吧,分别为结果状语和程度状语,这样理解正确吗?2.This is a company profiting from selling bottled water.请问这里的“profiting”在句中的成...