our teacher told us that these exercise were ()A so easer B much easer C even more easy
问题描述：
our teacher told us that these exercise were ()A so easer B much easer C even more easy
答
选择B
答
AB选项中的 easer 都是 easier 之误, 正确答案是 B much easier. （这些练习题要简单得多了）
答
c