concern做状语 用concerned?
be concerned about concern about
是用be concerned about 还是用concern about:两者有什么区别?
语法填空:as far as i'——(concern),...为什么要用am concerned
英语I'm concerned about what to do,英语这句话为什么用i am,而不是用I concern
concern about 和be concerned about意思相同吗
as far as i am concerned 和i concern
We are seriously concerned about.Are 同concern
concern 及物动词,使担忧,但为什么还有 be concerned about
be concerned about 和 concern about 什么区别?
be concerned about和concern about的区别
英语中concern 和 be concerned about 有什么区别?
sb concern sth sb be concerned with sth sb be concerned abou