1._______ has has he been here?

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1._______ has has he been here?
_________will he leave for his hometown.
A.How long;How soon B.How long;Hoe often
CHoe often;How long D.Hoe soon;Hoe long
2.Mr and Mrs Green have _______in China for a week.
A.been B.got C.arrived D.reached
3.I have been to the Palace Museum many times_________.
A.after B.ago C.before D.later
4.When you are learning English,use it.______you'll lose it.
A.But B.Or C.Then D.And

题1：答案A.How long表示多久,How soon表示多久以后（将）…….句意：他在这儿多久了? 他多久以后会离开这儿去他的家乡?
题2：答案A.句中有表示延续一段时间的时间状语for a week,故动词只能用延续动词.get, arrive, reach都是结束性（短暂）动词.句意：格林夫妇在中国已有一个星期了.
题3：答案C.before在此中是副词,表示“此前”,与前面的现在完成时对应.句意：此前我去过故宫若干次.
题4：答案：B.Or表示“否则”.句意：你学英语就要用,否则你会把它丢了的.

He has been here ___since yesterday.___ 对话线部分提问He has been here ___since yesterday._________ _______ He has been here since yesterday.(同义句)He has been here for _ He has been here for two weeks改同义句He has been here ( )two we He has never been there before, _______ _______? 英语翻译1 他一直住在这里：He has been lived here always.He has been live he has lived here for 3 years 和he has been lived here for 3 He has lived here since 1992.这里为什么用has lived而不用has been livi he has been here since five weeks ago. It has been 3 years since he came here. He has been away from here for ten years He has been working here.为什么要用working?