he has been here since he left college.对since he left colleg

he has been here since he left college.对since he left colleg He has left since yesterday . Ten years_____ by since he left here. he has _____lonely since his friend left It ——15 years since he left here.Awas B has been C has D wil he has been here since yesterday对划 He has been here since yesterday.(对划线部分提问) It has been three hours since he left his office.把has been 换 一道英语语法的选择题It ——15 years since he left here.Awas B has been C He hasn't written since he has left.改错 It has been five years since he has left for beijing这句话对不对啊 ten years passed since he left here同义句