a lot of work___by robots in that workshop every day我觉得是is done,那是不是has been done

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alotofwork___byrobotsinthatworkshopeveryday我觉得是isdone,那是不是hasbeendonealotofwork___byrobotsinthatwork

a lot of work___by robots in that workshop every day我觉得是is done,那是不是has been done
a lot of work___by robots in that workshop every day
我觉得是is done,那是不是has been done

a lot of work___by robots in that workshop every day我觉得是is done,那是不是has been done
is done
因为 every day 每天,用一般现在时
加油!不明白再问!

答案: is done
every day 每天,是一般现在时的时间状语,被动语态结构: am /is / are + 过去分词,所以填 is done
而 has been done 是现在完成时的被动语态

由every day可知用一般现在时