| （1）A.It's three dollars and twenty-five cents. |
B.It's three dollars and seventy-five cents. |
| （2）A.The birds are singing in the tree. |
B.The birds are flying in the sky. |
| （3）A.He is watching TV，but the bell rings. |
B.He is watching TV，but the phone rings. |
| （4）A.My books are falling. |
B.My kite is flying away. |
| （5）A.There are some dark clouds in the sky. |
B.There are some birds in the sky. |
