about是在此处是介词还是副词?what is it about?问句如何翻译?The demonstration that took place last week?

about是在此处是介词还是副词?what is it about?问句如何翻译?The demonstration that took place last week? down是副词还是介词 in是副词还是介词 始终是副词还是介词? for是介词还是副词 look around ,throw about,这里的around 和about 是副词,还是介词 From Shanghai to Beijing is about 1400 kilometers.请问about是副词还是介词? think about.give up,这些短语里面,up是介词还是副词,about呢? turn off的off在这里是介词还是副词? it sent sparks down to the ground...请问down在此是介词还是副词啊?怎么判断? I haven't thought it through properly.through在这里是介词还是副词,此句如何翻译? It take me about half an hour.这里的about是副词还是介词?它是个什么类型的副词?如果是副词不是应该放在动词左右或者句尾吗? he thought about the problem for a few moments.thought about中的about是副词还是介词? about 这里是 介词还是副词?for about 5 years.这里about 词性是副词 还是介词?for是 介词词性吧这里,那后面 一般不是 跟 名词 代词 动名词么? give up,up是介词还是副词? along是介词还是副词呢? in need是介词短语还是副词? such as是介词还是副词短语