:children are p____ for doing some housework

问题描述:

:children are p____ for doing some housework
为什么填paid.是pay的过去式吗

Children are (paid) for doing some housework.
儿童们做家务得报酬.
are paid,被支付酬劳.paid在这里是pay的过去分词,不是过去式,用于被动语态.