题目内容
11.Police were sent out to keep the traffic ________ smoothly during the snowstorm.( )A. | being run | B. | run | C. | to run | D. | running |
分析 在暴风雪期间,警察被派出去以保持交通的通畅.
解答 答案选择D.本题考查动词-ing形式宾语补足语.题干中动词keep往往与动词的-ing形式连用,构成短语keep doing sth.坚持做…;或 keep sb./sth.doing使…保持…;根据句意,"使交通保持通畅",所以必须用-ing形式,排除B和C;run表示"运行",是不及物动词,不能用被动,所以排除A答案选择D.
点评 首先判断选项中的动词在句中是以谓语还是非谓语形式出现,然后根据选项在句中的功能结合非谓语的基本用法做出合理的判断.
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