标题: then 能不能做连词 [打印本页] 作者: albertjerry 时间: 2003-10-20 01:23 标题: then 能不能做连词 18. The owner of Steele’s Grocery in Osage, Ohio, saved $600 monthly on heat during the winter by putting all his refrigerator air compressors together in an insulated compartment, then installing two fans and a duct that carried waste heat from the compressors into the main part of the store. (A) then installing two fans and a duct that carried (B) then he installing two fans and a duct that carried (C) then two fans were installed with a duct that carried (D) installing two fans, and then carrying through a duct (E) installing two fans, and a duct carrying