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---Has Tom finished his homework?---I don’t know. But he it the whole morning. A. didB. d

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解决时间 2021-04-14 03:24
  • 提问者网友:凉末
  • 2021-04-13 14:47
---Has Tom finished his homework?
---I don’t know. But he it the whole morning.
A. did
B. does
Cwas doing
Dis doing
最佳答案
  • 五星知识达人网友:山有枢
  • 2021-04-13 15:55
A. didB. does(答案→)C. was doingD. is doing解析:此题重点考查过去进行时的基本用法。
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  • 1楼网友:雾月
  • 2021-04-13 16:57
哦,回答的不错
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