题目

题型：不详难度：来源：

Some students are so         that they often make mistakes in their homework.
A. careful         B. carefully           C. careless

答案

C

解析

词性辨析。横线上所填的应该是作表语的形容词，排除B项。根据句意可知应该粗心导致错误。句意：一些学生是如此的粗心以至于他们在家庭作业里犯了很多的错误。