As a graducate in computer science, he to work out the problem.
A. wouldn't have failed
B. can't have failed
C. mustn’t have failed
D. might not have failed
As a graducate in computer science, he to work out the problem.A. wouldn't have failedB.
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解决时间 2021-04-05 17:53
- 提问者网友：感性作祟
- 2021-04-05 08:15
最佳答案
- 五星知识达人网友：爱难随人意
- 2021-04-05 08:22
A. wouldn't have failed(答案→)B. can't have failedC. mustn’t have failedD. might not have failed解析：can’t/couldn't have done表示对过去发生的事情的否定推测。
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- 1楼网友：狂恋
- 2021-04-05 09:43
你的回答很对
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