He when the UFO arrived. He didn’t wake until the UFO disappeared.
A. slept
B. was sleeping
C. was doing homework
D. was singing
He when the UFO arrived. He didn’t wake until the UFO disappeared.A. sleptB. was sleepingC
答案:2 悬赏:30 手机版
解决时间 2021-03-20 23:22
- 提问者网友：你挡着我发光了
- 2021-03-20 19:07
最佳答案
- 五星知识达人网友：话散在刀尖上
- 2021-03-20 20:13
A. slept(答案→)B. was sleepingC. was doing homeworkD. was singing解析：由下文句意“当UFO消失时他才醒来”可知前句意为“当UFO到达时他正在睡觉”。过去某一时刻正在做某事，用过去时行时。故选B。
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- 1楼网友：孤独的牧羊人
- 2021-03-20 21:47
这下我知道了
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