初一下册英语课文选：第27课

　　1.

　　A: Are these English books?

　　B: Yes , they are .

　　A: Are they your books?

　　B: No , they aren't . They ' re their books .

　　2.

　　A: Excuse me !

　　B: Yes?

　　A: Are these your apples?

　　B: No , they aren ' t.

　　A: Excuse me !

　　C: Yes ?

　　A: Are these your apples ?

　　C: Oh,yes,they are.

　　A: Here you are.

　　C: Thank you very much.

　　A: That's all right.