作业帮it is over 30 years （）shengzhen was established as a special zone……befor since那个为什么
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it is over 30 years （）shengzhen was established as a special zone……befor since那个为什么
it is over 30 years （）shengzhen was established as a special zone……
befor since那个为什么
it is over 30 years （）shengzhen was established as a special zone……befor since那个为什么
since.
it is(was)+一段时间+since引导的从句,表示从什么什么时间起,已有多少年了.
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用 since 自从的意思
before 是 在。。。以前 根据句意 也不通顺啊
since 原因： it is 明显是现在时； was 明显是过去时；所以用since表示 从~~~·时候开始.
before 的意思是在~~~~之前
it is over 30 years （）shengzhen was established as a special zone……befor since那个为什么
Rose is over five years
his father is over 30 years old改同义句
it is said that ___umbrella was invented over four thousand years ago by chi
It is over 10 years since I _______(become) a teacher.动词适当形势填空
china is a great country.It has a h____of over 5000 years
It is over to
what is it over
It is over 30 meters.It is ( ) ( ）30 meters.
It's over 900 years old.
it is over ten years since my aunt left American同义句要写成My aunt ___ ____ ____from America for over years
句型转换：His father is over 30 years old.=His father is ( )( ） 30 years old.
The game is over. . .帮忙翻议,谢谢.The game is over. . . 3 years ago ... For his I give up all ... 3 years later ... I gave up him ... It is not loves is he treasures ... Los
it is occurring because the weather has been a lot warmer over the past few years英文翻译
It is over 什么意思?
It is over t（）
I know it is over
It is over between us.