Miss. Gao _______ in the library for three years. But now she is a teacher.
A.worked | B.has worked | C.had worked | D.has been working |
相关知识点
推荐套卷
Miss. Gao _______ in the library for three years. But now she is a teacher.
A.worked | B.has worked | C.had worked | D.has been working |