题目内容
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提问人:网友wcxuan2002
发布时间:2022-01-07
[主观题]
The boys had been quiet in the living room for so long that we wondered what they __________ there. ()
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A、They were collected from the four major US airlines.
B、They were collected from the 13 largest US airlines.
C、They were collected from all the airlines in the US.
D、They were collected from regional airlines.
A、whose strongest period of clock-dependent alerting occurs in the evening
B、whose strongest period of clock-dependent alerting occurs in the morning
C、who tends to wake up late
D、who tends to stay up
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