I don't know the new bikes______already been______(sell) out.被动语态我比较喜欢看级数高的回答的,因为越是级数高,就越回答的准确,就是您了!

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I don't know the new bikes______already been______(sell) out.被动语态我比较喜欢看级数高的回答的,因为越是级数高,就越回答的准确,就是您了!
I don't know the new bikes______already been______(sell) out.被动语态
我比较喜欢看级数高的回答的,因为越是级数高,就越回答的准确,就是您了!

I don't know the new bikes______already been______(sell) out.被动语态我比较喜欢看级数高的回答的,因为越是级数高,就越回答的准确,就是您了!
have,sold
主语是复数,助动词用have;sell的过去分词是sold

你好!

分别填:
which, sold

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have sold

which have sold

have sold

have or had / sold.

have sold

I don't know the new bikes have already been sold out.
我不知道新的自行车已经被卖光了。
(这里主要考察现在完成时态的被动语态)

have, sold