改错：it"s 5 yeas since he has left his hometown.改has left

改错：its 5 yeas since he has left his hometown.改has left It's over two years since I have become a teacher改错 set out 就像这到题!It's 10 yeas since the scientist ____on his life's work of discovering the valuable chemical.选set out.但是set out 能在举几个例子吗? It's 5 yeas since he left his hometown.意思?这里left 是不是 短暂性动词?2.这句能不能改成 He has been away from his hometown for 5 years be away 后面跟地点后面是 必须要跟上个from?He is away./ He will be away for two mon it's years since i 改错:What's it name? It was ten years since I left my hometown.改错 改错：It is 3 weeks since Ihave seen him. 改错：He's been here since two months. I have been here since three yeas ago it's +一段时间+since 是什么时态 it's been 39 days since you it's seems like years since it's been 改错改错Is that a pencil case?Yes,it's. it's time for have breakfast改错 改错It's time to breakfast 改错 It's cold and snow today. It's dog is very lovely.改错