Question

【题目】All the students in the classroom do their homework ______.
A.enough careful
B.careful enough
C.carefully enough

Answer 1

【答案】C
【解析】句意：教室里的所有学生都在足够认真地做他们的作业。enough修饰形容词或副词时，放在其后面。根据该句的结构可知是副词修饰动词，说明做作业的方式，所以用副词carefully。结合句意，故选C。