--- What do you think of my suggestion?
--- I’m sorry. Er… I _______ about something else.
A.thought | B.am thinking | C.was thinking | D.had thought |
相关知识点
推荐套卷
--- What do you think of my suggestion?
--- I’m sorry. Er… I _______ about something else.
A.thought | B.am thinking | C.was thinking | D.had thought |