12. Researchers invited 130 people to a sleep laboratory and kept them ____

問題詳情

12. Researchers invited 130 people to a sleep laboratory and kept them _____ for 24 hours.
(A) wake
(B) to wake
(C) awake
(D) waken

答案：C
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12. 研究人員邀請 130 人到睡眠實★★，...

研究人員邀請 130 人到睡眠實驗室，讓他們 24 小時保持清醒。Researchers invited 130 people to a sleep laboratory and kept them awake for 24 hours.