He's changed.He's not the man he was.为什么会用这些种时态呢

Is he nuts?No,he's He has no hair .He's b. No wonder he's upset! He's changed.He's not the man he was.为什么会用这些种时态呢 He spares no one's feelings是什么意思, No,he isn't.He's old.的问句 No,he isn't.He's old.的问句 Is he a student?No,he isn't.(能不能用No,he's not?） 请问,这句子的he's 是he is还是he was?Grandpa said he's no spring chicken. A:no,he is B:yes,he's C:no,he not D:yes,he iA:no,he is B:yes,he's C:no,he not D:yes,he is . 选哪个, She’s Jane.Is he Jack?No,he isn’t,His name’s Mike. 填空：（ No,he hasn't been to work today.He's been to the doctor's. I can't find tom ,where is he?.he in the library?no,he's.there. is this your book?no,it's 什么.（提示he) He does't__history because it's no fun A:Is he sitting on a football?B:No,he's not.He's sitting on a basketball.可以换成No,he isn't . he's taii andstrong.he's very Has he ever been to the People's Hospital?a .yes,he soes b.no,never c.no,he has