Some students are so that they often make mistakes in their homework.
- A.careless
- B.successful
- C.serious
- D.careful
答案
正确答案:A
知识点:形容词辨析

careless粗心的,successful成功的,serious严肃的,careful小心的。根据句意“一些学生如此……以至于他们经常在家庭作业中出错”。可知,只有A选项符合语境。

略
