Library supervisors and staff have been authorized to enforce security regulatio

游客2025-06-18 95

问题 Library supervisors and staff have been authorized to enforce security regulations and to ask_____who do not comply to leave the library premises.

选项 A、patronage.
B、patron.
C、to patron.
D、patrons.

答案 D

解析关系连词引导的从句中的动词是do，因此先行词必须是名词的复数形式。所以本题选择patrons。

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Librarysupervisorsandstaffhavebeenauthorizedtoenforcesecurityregulatio