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. . . the ring Betty’s? ,it is. ,it isn’t.[ ,this is. ,it is David’s. color is Jimmy’s new bike? . . . . can you call for the backpack? . . . . is Bruce’s phone number? . . . . B It’s my backpack! It’s (1) five ten in the policeman (警察 )stands near Middle talks(談話) with some students. “ (2)這是你的雙肩背包嗎?” asks he. “ No,it isn’t,” says Jim. “ It looks like(看起來像) John’s,” says Mike. “ No,it is not his backpack,”says Tom.“His backpack is red,but it’s green.” Mary es and says,“ (3) Peter can’t (不能) find his backpack. It’s his,I think (認(rèn)為) .” “ It isn’t his,” says Harry.“ His backpack is( 4) , but it’s new.” “ Where is your backpack,Jim?”asks Mike. “ Oh,dear!It’s my backpack!Thank you!” 根據(jù)短文內(nèi)容,完成下列任務(wù)。is 。hers can look up(查找 )the word“ watch” in the . and found case card and I good friends. He twelve. 。your 。Er 3.—Is this your puter? — . ,it is ,it is ,it isn’t ,it’s 4.—How do you spell “box”? — . ’s a box box ,it is 5.—Is that your book the lost and found case? —Yes, it is. has (有 ) a book. And this is book. B. her C. my D. your 7.—I my