he has _____lonely since his friend left

he has _____lonely since his friend left He has left since yesterday . It has been three hours since he left his office.把has been 换 He ___(live) in the city since he left his hometown.参考答案是has Twenty years has passed since he left his hometown.如何翻译? 改错：it"s 5 yeas since he has left his hometown. His sister left home in 1998,and-----since.A has not been he Has he left for Paris?His friend wanted to know.(合并) he has been here since he left college.对since he left colleg He hasn't written since he has left.改错 it has been three months since he left his home(4个同义句)并说一下解释 He has left Beijing since two days ago改错