Do their homework 做作业，do do their homework 确实有做作业，主语是 they ，故用 do … The boys do do their homework after school every day. Whats different and whats alike between these two kinds of … Means, but what does d. o. He did come here yesterday. Do （务必）come on time next time. · do是什么意思啊了 (do中文意思)1. Do和does的区别和用法区别是：do 是动词原形，用于第一人称、第三人称的复数 (i/you/we/they)。does 用于第三人称单数 (he/she/it) does 用于第三人称单 … He does come here every day. Do （务必）be careful next … · you know what m. d.
