Tom____(be) in Paris since 2 years ago.用所给出动词的适当形式填空

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Tom____(be) in Paris since 2 years ago.
用所给出动词的适当形式填空

has been ,since 2 years ago 是一段时间状语,和一般完成时态连用

had been

has been

has been.
是现在完成时.
since 2 years ago 可以用how long提问