we are looking forward to the olympic games beause they have never been held before in the countrybefore是什么词 什么成分 修饰什么?he acted as if he had never lived in england beforebefore是什么词 什么成分 修饰什么?

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wearelookingforwardtotheolympicgamesbeausetheyhaveneverbeenheldbeforeinthecountrybefore是什么词什么成分修饰什么?

we are looking forward to the olympic games beause they have never been held before in the countrybefore是什么词 什么成分 修饰什么?he acted as if he had never lived in england beforebefore是什么词 什么成分 修饰什么?
we are looking forward to the olympic games beause they have never been held before in the country
before是什么词 什么成分 修饰什么?
he acted as if he had never lived in england before
before是什么词 什么成分 修饰什么?

we are looking forward to the olympic games beause they have never been held before in the countrybefore是什么词 什么成分 修饰什么?he acted as if he had never lived in england beforebefore是什么词 什么成分 修饰什么?
这两个句子里的before都是副词,做时间状语,做“以前”讲.

A for B why C because of D due to 应该选哪个然后请详解 答案:A,这里的for 相当于because, B 可以直接排除,C,D的意思相近可以互换,“