In recent years speculation has abounded that Albert Einstein can have had Asper

游客2023-12-15 68

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．。

转载请注明原文地址:https://tihaiku.com/zcyy/3274803.html

相关试题推荐

随机试题

最新回复(0)

SomerecenthistorianshavearguedthatlifeintheBritishcoloniesinAmeri