that's it 是“够了”吗?还是“对,就是这个”?

that's it 是“够了”吗?还是“对,就是这个”? It's said that是等于people said that 还是people say that It's sai 是it's surprise that还是it is a surprise that 正确? it's strange that后面加should吗?是虚拟语气还是竟然的意思? it is supposed that 这个句型是对的 是how is it that还是 how it is that?对强调句的提问 是It's time to school对还是It's time for school对 it maybe that.还是 it's maybe that. 对It’s my little brother.提问用Who is he?还是What is that? It's enough ...that ...这个句型对么? 1.What's this/that in English?怎样回答?是It's a/an 名词 还是 It's 名词 it's reported that里面的it是形式宾语还是逻辑主语