短暂性转换延续性I became a teacher in 2000I - - a teacher for - - th

波芯飞扬2022-10-04 11:39:543条回答

短暂性转换延续性
I became a teacher in 2000
I - - a teacher for - -
the river became dirty last year
the river- - dirty for- -
the shop closed two hous ago
the shop - - - for- -
the door opened at six in the morning
the door- - - for six hours

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共3条回复
lcn0759 共回答了24个问题 | 采纳率75%
1.has been 8 years
2.has been 1 year
3.has been closed 2 hours
4.has been opened
1年前
莹凝 共回答了13个问题 | 采纳率
I had been a teacher for 8 years
the river had been dirty for a year
the shop had been close for two hours
the door had been opened for six hours
1年前
良怀 共回答了5个问题 | 采纳率
I've been a teacher for 8 years.
The river has become dirty for two years.
The shop has been closed for two hours.
The door has opened for six hours.
是这个意思吗?
1年前

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