Bob called to tell his mother that he couldn’t enter the house, for he ________ his key at school.
A.had left | B.would leave | C.was leaving | D.has left |
相关知识点
推荐套卷
Bob called to tell his mother that he couldn’t enter the house, for he ________ his key at school.
A.had left | B.would leave | C.was leaving | D.has left |