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?

分类: 作业答案 • 2021-12-19 15:45:51

问题描述：

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?

答

it is up to sb to do sth
取决于
up to还有多达和时间直到

答

it's up to 是由……决定的意思
比如说：it's up to you.由你决定 It's up to the air. 由天气决定（看天气）
具体用法： It's up to + 名词（+ to do sth.)