They are busy with being focused on their own life and challenges.请问为什么用being focused?直接用 be busy with focusing on 集中专注不应该是人主动集中专注吗?为什么还用别动的.

Some of ____(they) are busy with the orange picking. They are always busy with lessons.同义句 they are a____ busy with their lesson on weekdays I don't often chat with my parents becouse they are busy(对划线部分 becouse they are busy提问 They are busy ( ) a research ( ) environment A to,on B on,at C with,on D with,at 选哪个 为什么 --What _____ you ______ today?--My homework.A.are;busy B.are;with C.are;busy with D.is;busy with They ()very busy.a:both.b:all are.c:are both.d:are all. I seldom chat with my friends now beacuse they are very busy,改为同意句. they are busy with their homework on weekdays .with怎么讲.什么时候要用到with,怎么用, Every boy and every girl _the lessons A)are busy with B）is busy reviewing c）is busy with They are busy _ this week.They _ very tired.Why not _ a rest?A.work,may be,to have B.to work,can be,have C.working,nust be,haveD.with work,will be,having they are busy ----------model planes 填词 They are v-- busy(忙） They are busy p______ using computers now They were ----busy -----with each other----the time Atoo,to walk B too,taiking.to forget They do 空with several European countriesA busy b busily c business d businesses They do 空with several European countriesA.busy B.busily C.business D.businesses they are ___ busy today A:readey B:do C:really