语法与词汇 4.He had a_____look in his eyes, which meant that he had come up with a good plan.

【正确答案】 C

【答案解析】形容词形异义近辨析。shrewd表示“精明的，机敏的”，如：a shrews businessman精明的生意人。注意shrewd和shrew的区别，后者是一个名词，意为“泼妇，悍妇”。