It's been +一段时间 + since +一般过去式since 不是都用于完成时吗 为什么是一般过去式
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It's been awhile.
it's been coverd..
It's been +一段时间 + since +一般过去式since 不是都用于完成时吗 为什么是一般过去式
用 “It has been +一段时间+since”造句两个
it's +一段时间+since 是什么时态
It's been a while
It's been so long
It's been a long
it's been a long
It's has been accepted
it's been是什么时态,
It's been very informative
口语中的it's been
it's always been you(It has always been
it has been可以缩写成it's been
it's been.的全称是不是 it has been...
it's seems like years since it's been
what it's been it's 又是什么的缩写?