—Alice, you look puzzled．Haven’t you understood it? —Yes．I _of another problem just now．A.

发布时间：2020-08-16 10:58:23


—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

网友回答

A. had thought
B. have thought
C. thought
(答案→)D. was thinking
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