问题
选择题
We have more than 80 flats in this building, each ____ solar heaters．
A．is equipped with
B．equipped with
C．is equipped by
D．equipped by
答案
答案：B
本题考查独立主格结构。逻辑主语each与equip with之间是被动关系，故用过去分词，be equipped with装备，故选B。
