英语单选题

?Since the beginning of 2013, these regulations ______ in most workplaces across the country.

发布于 2021-03-11 21:46:35

【单选题】
A will be introduced
B are introduced
C have been introduced
D were introduced

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卡姿兰小眼睛 2023-03-11

你真的快乐吗？或许只是低着头不想说话……

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