问题
选择题
Paul isn’t as ___________ as Sandy. He often makes mistakes in his homework.
A. careless B. more careful C. careful
答案
答案：C
题目分析：careless粗心的,无忧无虑的;more careful 更细心的;careful 细心的.句意：保罗不如桑迪细心．他总是在作业中犯错误．短语as+adj+as表示和……一样，第一个as后面接形容词原级，表示和……一样。故选C。