Whenhesawallhis&

发布时间：2020-07-25 17:05:44

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

网友回答

A
以上问题属网友观点，不代表本站立场，仅供参考！