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Li Ming knows a lot about Canada.He must ______ a lot of books about that countr
Li Ming knows a lot about Canada.He must ______ a lot of books about that countr
游客
2023-09-23
59
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问题
Li Ming knows a lot about Canada.He must ______ a lot of books about that country.
选项
A、had read
B、have read
C、read
D、have readed
答案
B
解析
“隋态动词must+have+过去分词”表示对过去情况的推测,表示某事过去一定发生了,例如:There’s nobody here—they must have all gone home.(这里一个人也没有,他们必定全都回家了。)故选B。
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