标题: 为什么要加个BEING呢？987。 [打印本页] 作者: yeah529 时间: 2011-10-7 20:14 标题: 为什么要加个BEING呢？987。 1. Cooperative apartment houses havethe peculiar distinction of being dwellings that must also operate asbusinesses. (A) of beingdwellings that must also operate as businesses (B) of dwellingsthat must also operate like business (C) that they aredwellings that must operate like business (D) that, asdwellings, they must also operate like businesses（A） (E) to be adwelling that must also operate as a business
