Only at that time that he had made a lot of mistakes in his homework.A. He realized 　B.

发布时间：2020-08-15 00:00:19

  Only at that time      that he had made a lot of mistakes in his homework.
A. He realized 　
B. did he realize
C. he did realized
D. realized he

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A. He realized 　
(答案→)B. did he realize
C. he did realized
D. realized he
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