英语:“我买这本书已经三年了。”

Question

I have _______ the book for three years.
(A) bought
(B) had
并说明理由

Answer 1

应该用had，因为buy是瞬间动词，不能用于完成时态。

Answer 2

B买是瞬间动词，不能一直买，所以选B

Answer 3

(B) had

buy 是瞬间动词 不能用于完成时态

Answer 4

B bought是瞬间性动词,不能接时间段