The passage is mainly about Edison.为什么这里main用副词形式?

The passage is about____. What is the passage about? What is the passage about? the passage is about 翻译 Who is the passage for? the title of the passage is.翻译 What is the passage about?怎样回答 what is the passage talking about翻译 The passage is mainly about的意思 What is title of the passage? Which is true according to the passage? Who is NOT mentioned in the passage What festival is mentioned in the passage The passage is mainly about.分析句子成分 what is the city like in the passage?what is the city like in the passage? 英语翻译By the 1970,darp,the pentagon is research arm,began working on a computer network,which soon spawned a new form of communication:electronic mainl.抱歉，上面句子中，时间后面的“darp”错了，应该是darpa What is the passage mainly talking about?What is the passage mainly talking about?求翻译 Which of the following is NOT turn in the passage?