leaves the room last ought to make sure that the windows are closed and the door locked.A

发布时间：2020-08-17 04:04:33

     leaves the room last ought to make sure that the windows are closed and the door locked.
A. Whoever
B. Who
C. Who will
D. Those who

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(答案→)A. Whoever
B. Who
C. Who will
D. Those who
解析：通过分析句子结构，可知这个句子中含有一个主语从句，且引导词在从句中作主语，表示任何一个人，故选A。
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