When the girl ___ a teacher came into the classroom
A sang
B sings
C to sing
D was singing
When the girl ___ a teacher came into the classroom
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解决时间 2021-07-31 03:49
- 提问者网友：不要迷恋哥
- 2021-07-30 10:23
最佳答案
- 五星知识达人网友：撞了怀
- 2021-07-30 10:48
When the girl _D was singing__ a teacher came into the classroom
当女孩在唱歌时,老师走进了教室.
主句动作发生时,从句动作sing在进行,所以用过去进行时
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