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问题: 大学英语2 阶段作业4 系列问题6 需给出详细解释

6.The young policeman is___________the case.
A. looking for B. looked after C. looked around D. looking into

解答:

6.The young policeman is___________the case.
A. looking for B. looked after C. looked around D. looking into
正确答案为D 。looking into 为惯用法,意思是调查。