Since the police ___ the motorists not yielding to pedestrians at intersections, the cases of vehicle-pedestrian collision have reduced.
Adid justice to
Bshelled out for
Cpushed through
Dcracked down on正確答案
答案與詳解
為什麼答案是 D
「crack down on」意為「取締、嚴厲打擊」，是警察英文中極度高頻的片語，常用於警方打擊犯罪或交通違規行為，完全符合本題句意。
考點：片語語意考點：警察執法片語
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