it's been a good week.是什么时态?

it's been a good life it's been a good week.是什么时态? It's been good talking to It's been a while It's been a long it's been a long It's a good idea Shall wee have a picnic next week?_______A Yes,we shallB Not at allC Yes,we doD That's a good idea选择什么.为什么?说说 理由 It's good for you not to eat ___ that's been..正确答案为什么是C呢?It’s good for you not to eat ______that’s been cooked in oil.A anything B something C everything D nothing It’s good for you not to eat ______that’s been cooked in oil.It’s good for you not to eat ______that’s been cooked in oil.A anything B something C everything D nothing 选什么?为什么? I think it's been a long time since I've heard anyone as good.语法讲解 i think it's been a long time since i've heard anyone is good since在这里是什么用法? you 've been working ___hours;it's time to have a good rest你已经工作好几个小时了 It'S Been A While 歌词 It'S Been A Year 歌词 it’s a good day to die It's a good job.(中文意思) it's not a very good