问题补充：
He doesn’t do his homework , though he has .
A. carefully enough; enough time
B. enough careful; time enough
C. careful enough; enough time
D. enough carefully; time enough
答案：
(答案→)A. carefully enough; enough time
B. enough careful; time enough
C. careful enough; enough time
D. enough carefully; time enough
解析：句意：他没有很仔细地做他的家庭作业，尽管他有充足的时间。Enough修饰形容词或副词必须后置。修饰名词放前后均可。由于要修饰动词do, 因此用副词carefully. 所以选A.
