作业帮—It's seond time that I__shanghai---What geat changes!It's ten years since I ——it last timehave been;left 我选的是come ：had left为什么
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—It's seond time that I__shanghai---What geat changes!It's ten years since I ——it last timehave been;left 我选的是come ：had left为什么
—It's seond time that I__shanghai
---What geat changes!It's ten years since I ——it last time
have been;left
我选的是come ：had left为什么
—It's seond time that I__shanghai---What geat changes!It's ten years since I ——it last timehave been;left 我选的是come ：had left为什么
这个就是短语的用法吧,it is +一段时间 后面要用完成时,所以用have been ,而it is since +一段时间+过去式,这些差不多都是语法规定,记住就可以了.
—It's seond time that I__shanghai---What geat changes!It's ten years since I ——it last timehave been;left 我选的是come ：had left为什么
最开始还有一段：The summer vacation is over.It's true tha最开始还有一段：The summer vacation is over.It's true that time flies very fast.脑细胞已死光光.
Tha nkyou.oh!it's a red bag .it's nice .
it 's 8:00,it ’s time —english class
It’s time —— dinner.
It's time—[to,for]class
It's time out!
it's time for
It's time for
It's time to
it‘s time class
“It's focus time!”
It's time to
It's time of
It's time( )school.
it 's not time
It' s time for
如何回答If you love a girl,it's better to fight for her happiness tha