为什么是she is dead而不是she was deat字打错了 是dead

为什么是she is dead而不是she was deat字打错了 是dead she is often popular为什么是often而不是much? I don't know how she is now.为什么是how she is 而不是how is she呢? 为什么是what is she doing for vacation.而不是what does she do for vacation She is very hard-working,-----he is rery lazy.这个空为什么是while而不是when? Her grandmother has been dead for two years 为什么是Her grandmother has been dead for two years 为什么是用dead形容词,而不是died 不是现在完成时吗? 为什么是“She didn't think she was clever.”而不是“ she think she wasn't clever”? Chinese bread is usually light and sweet,she can't eat bread like__为什么是that而不是it 英语翻译”她被埋死了“,为什么是翻译成：SHE IS BURIED TO LIVE.而不是”SHE IS BURIED TO DIE 呢? 为什么是he has been dead for 10 years而不是he has dead for 10 years?为什么I have studied English for 10 years是对的? I'm sorry,she is ____.she ___a week ago.A.death;diedB.dead;has diedC.dead;diedD.dead;dead 为什么是has been dead不是has dead 为什么是What is this 而不是This is what? 为什么是All is well 而不是All is good 在The bird is her friend since she brought it home中,明明有since但为什么是用is而不是had been? she is dead .怎么理解这里的 is 为什么是 what a sunny day it is 而不是how the time is （ gone ） 为什么是gone而不是went?