题目内容
______,the boy couldn’t enter his house.
| A.Since the key had lost | B.T |
| C.Lost the key | D.Having lost the key |
B
独立主格结构作原因状语。
练习册系列答案
相关题目
题目内容
| A.Since the key had lost | B.T |
| C.Lost the key | D.Having lost the key |