when my mother cooks supper,I alway do my homework.的同意句

问题描述:

when my mother cooks supper,I alway do my homework.的同意句
when my mother cooks supper,I alway do my homework.(保持句意不变)
My mother cooks supper and I do my homework___ ___ ___ ___.

at the same time
同时的意思