语法与词汇 Although he has become rich, he is still very_______of his money.
【正确答案】 C
【答案解析】本题译文：虽然他已经很富有了，但仍十分节俭。be frugal of“节俭，节约”；economic“经济的”；thrifty“节俭的”，常与with搭配；be careful of“仔细，小心”。