now there are already robots working in factories .为什么用working 而不是work

来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/18 15:24:02
nowtherearealreadyrobotsworkinginfactories.为什么用working而不是worknowtherearealreadyrobotsworkinginfactor

now there are already robots working in factories .为什么用working 而不是work
now there are already robots working in factories .为什么用working 而不是work

now there are already robots working in factories .为什么用working 而不是work
因为前面已经有are和now代表它的时态为现在进行时,故使用working而不是work