Somestudentsareso

问题详情：

Some students are so ______ that they often make mistakes in their homework.

   A. carful          B. serious              C. careless                    D. successful

【回答】

C

careful仔细的；serious严重的；careless 粗心的；successful成功的。

知识点：相似 相近词比较

题型：选择题