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In recent years speculation has abounded that Albert Einstein can have had Asper
In recent years speculation has abounded that Albert Einstein can have had Asper
游客
2023-12-15
12
管理
问题
In recent years speculation has abounded that Albert Einstein can have had Asperger syndrome.
选项
答案
can——must
解析
表示对过去事实肯定的猜测,结构是must have done sth.,反之,结构应为can’t have done sth.。
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