单选题When he saw all his&
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解决时间 2021-01-17 23:38
- 提问者网友：人傍凄凉立暮秋
- 2021-01-17 01:19
单选题
When he saw all his books _____ here and there on the floor, he knew that something terrible _____.A.lying; must have happenedB.lie; must happenC.lay; might have happenedD.had lain; could have happen
最佳答案
- 五星知识达人网友：蕴藏春秋
- 2019-03-28 02:20
A
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- 1楼网友：詩光轨車
- 2020-05-04 07:09
我也是这个答案
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