it was up to 的用法It was up to the US to take the initiative in repairing relations.在修复关系方面应由美国采取主动.这里的it was up to是取决与什么的意思吗?具体该怎么用?

it was up to me 有it was thanks to的用法吗 it was up to 的用法It was up to the US to take the initiative in repairing relations.在修复关系方面应由美国采取主动.这里的it was up to是取决与什么的意思吗?具体该怎么用? it is up to sb to do sth以及他的用法, It is/was time that 的用法 It was not that从句的用法 it was up to eight primary shcool students 翻译.it was up to的翻译,以及重要的语法也可以, as it were和as it was的用法区别 burn的用法Put more wood on a fire to make it burn up burn up 这里作补语为何要用原形?burn up 的用法? 用英文翻译句子:It was time to get cleaned up. It was impossible for lost time to be made up The key was used to wind it up. I (w ) to Australia last summer .It was (e ) it.is.up.to. It's up to It's up to It is up to 英语语法--it was...that强调句的用法问题it was me who ate the chocolate up.请问这句话的语法对么?“我”作为主语要强调的时候,在it was后面应该用me 还是 I ?