Last night at eight o 'clock, I heard someone singing in the next room.

昨天晚上8点钟，我听见有人在隔壁的房间里唱歌。

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Last night at eight, the 2010 American Music awards ceremony was held, the biggest winner was Justin Bieber, he won four awards altogether, formally ascended the throne of king.

在前天晚上八点，2010年全美音乐奖举行了颁奖典礼，其中贾斯汀·比伯成了最大的赢家，他独揽四项大奖，正式登基天王宝座。

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What were you doing at eight last night?

你昨天晚上八点钟在做什么？

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The whales are all the talk that last night for the eight guests at dinner.

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When eight Republican presidential candidates met last night, they took aim at each other.

NPR: GOP Candidates Take Aim at Each Other