have just arrived 和have arrived有什么区别?

have just arrived 和have arrived有什么区别? 关于I have just和he is just,谢谢!Penny:'I have just arrived in Scotland and I'm staying at a Youth Hostel.'Grandmother:Eh?Penny:He says he's just arrived in Scotland. He says he's staying at a Youth Hostel. You know he's a member of the Y.H. 关于I have just和he is just,Penny:'I have just arrived in Scotland and I'm staying at a Youth Hostel.'Grandmother:Eh?Penny:He says he's just arrived in Scotland.He says he's staying at a Youth Hostel.You know he's a member of the Y.H.A.新概念 i have just arrived here 句中arrived 是什么词性 I have just arrived in China为什么要加 have i have just arrived in china为什么加个have My have just has arrived at Shanghai.哪里错了? She had just arrived by train.找出错误为什么had和arrived之间不能加just i have just arrived by train.为什么有have.它起什么作用 have just和just now的区别 I just want to know when you have arrived为什么错了? have you ____ arrived in shanghai A.just B.never C.ever D.already I have just arrived by train这里为什么要用现在完成时呢 ‘I have just arrived by train,’she said.变成间接引语 --The train has just arrived.--Really?i have waited forone hour. Jimmy writes i have just arrived in London 改为间接引语 new books of different subjects have just arrived.we need to _____ them out. the Blacks ______their new house on the small island.A.has just arrived inB.has just arrivedC.have just get toD.have just arrived at为什么要选D?不可以是C么?