—Does your sister work as a teacher in Canada?
—No, but she once _________there for five years.
A.taught | B.had taught | C.has taught | D.would teach |
相关知识点
推荐套卷
—Does your sister work as a teacher in Canada?
—No, but she once _________there for five years.
A.taught | B.had taught | C.has taught | D.would teach |