请问It was 和 It has 可以缩写成It's吗?

请问It was 和 It has 可以缩写成It's吗? it was可以缩写成it's吗如题要有依据老了不死,请问it has 不可以所写成it's吗 it was gone和it has gone区别? Nothing has changed.Everything is the same as it was.请问这里的as it was 中文怎么理解呢? 用it和be的不同形式填空 __________said that he has been in hospital for 3 weeks请问这题如果填 it has been可以吗？ It's colder today than it was yesterday.请问这里为什么要加it was呢,去掉可以吗? It is和It was是否都可以缩写为It`s It was 85 years还是 it has been 85 years? it was in that room that the Republicans held.请问这里可以改成 it was that room where .. 强调句型it is/was .that 中is/was 是否还可以有其他形式 如has been 等等 It was the place where I was born.请问这句话中the place和where 可以省略其中的任意一个吗? it was a sunday 和it was sunday 的区别? it was/it has/it is 可不可以缩写?缩写成什麽样子? It's missing.=It was lost.=It has gone. 请问:It was boring.用中文怎么说? It has got .可以缩写吗? it has been可以缩写成it's been Was it