题干

—Has Mary finished writing her article?  — No, and it _____ before class was over.
A.should be finishedB.should finish
C.should have finishedD.ought to have been finished
上一题 下一题 0.65难度 单项选择 更新时间:2019-05-21 04:40:30

答案(点此获取答案解析)