句型转换。

1. The children are playing with snow. (就划线部分提问)

    _____ _____ _____ with snow ?

2. Eric does his homework after school. (改为否定句)

    Eric _____ _____ _____ _____ after school.

3. The children have a good time in the park. (改为同义句)

    The children _____ _____ in the park.

4. Ann’s on vacation . (改为同义句)

    Ann _____ _____ a vacation.

5. A book lies under the desk. (改为现在进行时)

    A book _____ _____ under the desk.