—Alice, you look puzzled.Haven’t you understood it?
—Yes.I _of another problem just now.
A.had thought | B.have thought | C.thought | D.was thinking |
相关知识点
推荐套卷
—Alice, you look puzzled.Haven’t you understood it?
—Yes.I _of another problem just now.
A.had thought | B.have thought | C.thought | D.was thinking |