We have the regulation______whoever leaves the room last ought to turn off the l

游客2024-10-26 11

问题 We have the regulation______whoever leaves the room last ought to turn off the lights.

选项 A、whom
B、that
C、how
D、what

答案 B

解析

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Wehavetheregulation______whoeverleavestheroomlastoughttoturnoffthel