They have just found a place to live in为什么要加in?什么时候要加什么时候不要加

They have just found a place to live in为什么要加in?什么时候要加什么时候不要加 they have found out a great deal The police have just informed me that they can't find my car.According to them,the car cannot be found anywhere. Where have you（ Your mother found you just now. they have just had some sandwiches . They have already found their money(改否定句) They -------- already found their money. They have not found the solution of the problem.改错 1.I have just had my lunch.I _____ it at home.A.have had B.had had C.had D.have2.The British farmers knew that Nathan Hale was an American spy,because they ____ that he____some drawings of their defence works.A.found;made B.has found;made C.had found have found Have you found your lost pen?Yes.I____it under the chair just now.A.found B.will find C.have found请说明原因 have you found your lost pen?Yes.I___it under the chair just now.A.found B.will find C.have found请说明原因 初中英语问题:在下列句子适当的位置加上already,just,yet,never,ever等副词,每词只用一次1, I have known him for more than ten years _________________________________________2 they haven't found the lost bag _________________ They are just what I shall have 怎么翻译 they have just connected our computer to Internet.改为被动 they have just had some sandwiches 对some sandwiches 提问 They haven't found anything yet.(改为同义句)They have _____ _____yet. 英语翻译At times the chil dred say they hear Aileen-Drum singing in the trees,and they are sure that he finds their beanbags for them.It must de true ,they say,for we come back to play and found them just where we have been looking for them.And w Have they found the missing child yet?missing为什么Have they found the missing child yet?missing为什么是ing形式?