问题
选择题
When the candle stopped burning, it had __________ the oxygen in the air.
A．eaten up
B．got up
C．used up
D．put up
答案
答案：C
此题重点考查四个短语的区别，eat up 吃光，get up 是起床，put up搭建，举起之意，根据语境故选C。
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