What do they do on主语是什么

What do they do on主语是什么 what do they do on weekends what do they do on weekends中文 what do they after do on saturdays? what do they do? What do/does 主语 do What ( ) they often ( )(do) on Saturdays? What ---------they often ----------(do) on Saturday? what【 】they【 】【do】on saturday 怎么弄 What do they have on Sunday? what do they do they what do they usually do on national day? what do they do on sunday?(改为第三人称单数) what do they do?(工程师) what do they What do they what do they What do they need?