句子中的"S"是has还是is(或was)?It's three years since he leave here.为什么?

句子中的S是has还是is(或was)?It's three years since he leave here.为什么? She's exhausted from the day's work.句子中的she's 到底是she is 还是she has What’s for breakfast, mum?请问句子中的's 是has 还是is.并翻译此句,谢谢. she's married中的是is,还是has? It's been a pleasure knowing you.那个’s是has还是is还是was? what's happened 中的“s”是has吗?还是is?还是was?还是什么?what's happened和what happened有区别吗?如果别人问what's happened应该怎么回答?问what happened又该怎么回答? Mary's being chose中的Mary's是Mary has 还是Mary is How is your mother yesterday?这个句子中的be动词是用was还是is? She said it's good for you.中的it's是it is 还是it was, he's中的s是is还是has?I'll go down to Henry's grocery.He's always open. what's gotten into him 中'S指的是is还是has,还有was和is是不是都可以简写成'S John's sobered down a lot after the accident.句子中's是is还是has?为什么? it's nothing to do with me .其中的it's,是it is还是it has?这俩有区别么? 请问,这句子的he's 是he is还是he was?Grandpa said he's no spring chicken. what's the best gift you have ever received中的what's 是what is 还是what was she's just had a wine.中的's指什么是is还是has?老师说是is She's been quite different since coming back from America.句中的she's 中的's是is ,还是has 的缩写 devote有没有sb be devoted to...这种用法,意思是献身于...还有一个句子请大家也帮着看一下He's devoted his whole life to the protection of the rare animals. 这个句子中的's应该是has was is三个中的哪一个 1如果sb