--Hey, Tony, You look so tired today.-I until 12 o clock last night for the math test

发布时间：2020-08-22 00:22:50

--Hey, Tony, You look so tired today.
---I      until 12 o' clock last night for the math test.
A. woke up                 B. stayed up                C. grew up

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解析：考查动词短语的辨析。根据句意，可确定此处是stay up“熬夜”。wake up“醒来”；grow up“长大”。
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