He ______when the UFO arrived. He didn’t wake until the UFO disappeared. A．slept B．was sleeping C．wa...
2023-02-26 11:23:19 49次 2011年初中毕业升学考试（山东枣庄卷）英语（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
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
|
本题链接：
