28.“When did he leave the classroom?” “He left _______ you turned back to write on the blackboard.”
A.the time | B.the moment | C.until | D.since |
相关知识点
推荐套卷
28.“When did he leave the classroom?” “He left _______ you turned back to write on the blackboard.”
A.the time | B.the moment | C.until | D.since |