请问句中的介词about指什么?The two things 【about】 which Marx was not sure were the grammar and some of the idioms. 马克思不大有把握的两个方面是语法和某些习惯用语是不是这样?如下：

请问句中的介词about指什么?The two things 【about】 which Marx was not sure were the grammar and some of the idioms. 马克思不大有把握的两个方面是语法和某些习惯用语是不是这样?如下： we were flying low over the city请问句中的low是属于什么词性? 在河流的附近（中文）：_____the river 空ge里该填什么?He always walks _____ the park to go to school.填一个介词问句：How____ is it from here?答句：It is about thirty minutes'walk.空格该写什么?第3题已解答.请各位 turn on the blender 什么about two minutes填介词 请问句中的to 作句子什么成分?The scheme seems on the surface to be quite parctical. Talk about中的about是介词啊? It was becauce I could speak English that I got the job.请问句中的that作什么? 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? 请高手帮我看看这介词在句中的意义We book you in for an assessment with an instructor,who will show you how to use all the equipment.想问问句中的 怎么用的. he thought about the problem for a few moments.thought about中的about是副词还是介词? about与什么介词是近义词 英语中的介词（in,under,on,at,for,of,about,to,the）咋用? 请问句中的关系代词做什么成分.She was no longer the girl that she was before she went to the countryside. 英语中的附加问句He hardly passed the exam,____ ____(完成附加问句)请说明原因, The stream wound its way across the field.请问句中的its way I am nervous about the idea.介词短语about the idea在句子中做什么成分 She will come ____________ about fifteen minutes.用什么介词?为什么?请详细一些, Little Tom should love to be taken to the theatre this evening .请问句中的谓语是哪个词,love 在句中作什么成分