he is now working at a bank 这里now的位子可以换么

he is now working at a bank 这里now的位子可以换么 he is now working at a bank. He is now working at a bank 请问NOW为什么可以放系动词后 is now working at a bank 那么为什么but he is now working at a bank中却用at? but he is now working at a bank. Tony saw me and came and sa 英语翻译对不起，第一句应是He is working at a bank now.另外，这个句子是新概念2 上的，的回答 He is working at the office now his is now working at a bank 这句话是什么时态 he is working ( )a model plane now. a.on b.at c.for d.in He is reading a newspaper now 这里的now可不可以省略 his parents are working in the factory and he is now at home