All is changing,things never stay the same.为什么谓语动词用is呢?

Life is changing all the The world is changing all the time Shoe fashion is changing all the time All are changing .constant is myself The world _____ is changing all the time.填什么? Everything is changing all the time 有语法错误吗? All is changing,things never stay the same.为什么谓语动词用is呢? Life is always changing, China is changing everyday This book is the lightest and ______(thin)of all the books. Is Bad Boy thin. Is your mother thin? Is your mother thin? Everything is changing中文是什么 What terrible weather!The temperature____(change)all the time.请问划线部分是填 is changing 还是 changed.为什么? time is changing,space is changing,place is changing,except my miss to you. china is changing.my home ischina is changing.my home is changing.的意思是什么? 连词成句is really hard writing poems not all that1.is really hard writing poems not all that 2.have designed DNA changing what else scientise by