新概念第2册课文
问题描述：
新概念第2册课文
求新概念2中第4课的Exercises中的A组题共8道.
急用.给予附加分100.
答
I have just had breakfast.He has been in * for six months.The police have not caught the thief yet.You have already asked that question three times.Have you ever been to Switzerland?I have never ...