1、going to be ， will be+done.ie. Once environmental damage is done， it takes many years for the system to recover. 本句的意思是：“环境一旦遭到破坏，需要多年时间才能恢复过来。
do homework 做作业；做家庭作业；做功课.例句：The teacher gives the student two hours to do homework 老师给同学们两个小时做作业。He gets home as soon as begin to do homework 他一到家就开始做作业。
做家务；做家务事；做家务活 例句 Lucy said that she was helping her mother do housework.露西说她在帮妈妈做家务活儿。He help his mother to do housework sometime.有时他帮妈妈做家务。
“do my homework”意思是：做我的家庭作业。可以使用百度翻译对其进行翻译：百度搜索“百度翻译”。点击第一个选项进入。进入到“百度翻译”的主界面。将此处设置成中文。点击此处翻译按钮，即可完成翻译。
do with的意思是利用处理，句中作为动词使用。
homework 表示家庭作业，是不可数名词。所以do their homeworks是错误的。
你应该催孩子在半小时内完成作业。 Please turn off the TV because the noise will distract the children from their homework.请把电视机关掉，因为噪音会使孩子们分心，不能专心做作业。
do homework 做作业；做家庭作业；做功课.例句：The teacher gives the student two hours to do homework 老师给同学们两个小时做作业。He gets home as soon as begin to do homework 他一到家就开始做作业。
going to be ， will be+done.ie. Once environmental damage is done， it takes many years for the system to recover. 本句的意思是：“环境一旦遭到破坏，需要多年时间才能恢复过来。
do housework.做家务。do housework.做家务。
do homework，do Kung fu中K应该大写。因为Kungfu相当于专有名词，所以和China、Great wall一样都用大写起头。do kung fu的意思是：练武术，练功夫。解析： do是做或干的意思；homework的意思是家庭作业。