标题: 天大的困惑,到底a还是d? [打印本页] 作者: hedgeforfun 时间: 2003-10-16 22:26 标题: 天大的困惑,到底a还是d? 5. For protection from the summer sun, the Mojave lived in open-sided, flat-topped dwellings known as shades, each a roof of poles and arrowweed supported by posts set in a rectangle. A. each a roof of poles and arrowweed B. each a roof of poles and arrowweed that are being C. with each being a roof of poles and arrowweed D. with roofs of poles and arrowweed to be E. with roofs of poles and arrowweed that are