问答库

题干| 解析| 归类| 考点| 相关| 热门| 搜索
A-A+

_____ the boy couldn’t get into his dorm. A. Since the key lost B. The key ha

2024-01-03 09:53:58 学历考试 阅读

问题详情

_____, the boy couldn’t get into his dorm.

A. Since the key lost

B. The key having lost

C. Lost the key

D. Having lost the key

参考答案

考点：