1. This is an apple. (改为一般疑问句) ____________________________________________________ 2. They are playing football. (改为一般疑问句) ____________________________________________________ 3. I think it is a cat. (改为否定句) ____________________________________________________ 4. The cat is on the box. (对画线部分提问) ____________________________________________________ 5. Is she going to school today? (作否定回答) ____________________________________________________ |
2x |
4x+1 |
2x |
4x+1 |
g |
3 |