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        1. 【題目】I won’t turn off the lights _______ the last one leaves.

          A.whenB.untilC.as soon asD.after

          【答案】B

          【解析】

          句意:直到最后一個離開我才關燈。

          考查連詞。when當……的時候;until直到;as soon as一……就……;after在……之后。本題的語境是:直到最后一個離開我才關燈。因此應該選擇until直到;not…until:直到……才……;屬于固定搭配。故選B。

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