题目

北京东城区示范校2011届高三综合练习（二） Most of the roads were covered with thick snow, ____ made our journey more difficult. A. one                            B. it              C. which                 D. that    答案：C   解方程： . 【解析】【解析】 ………………2分 ……………………4分 ……………………5分 ……………………6分