问题
选择题
It is careless _______ such a mistake.
A．of you to make
B．of your making
C．for you to make
D．for your making
答案
答案：A
考查固定结构。因为careless是一个表示主语性格特质的形容词，所以使用of；本句="You" are careless to make such a mistake.
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