We have studied English for 3 years.被动语态

We have studied English for 3 years.被动语态
为什么是 English has been studied fou 3 years by us 而不是 English has been studied by us for 3 years?
英语人气:600 ℃时间:2019-08-18 12:19:33
优质解答
其实都是可以的,都是对的哈
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