句型转换。

1. There are some girls in the playground. (变为一般疑问句并作肯定回答)

    _____ _____ _____ girls in the playground? 

    _____, _____ _____ .

2. There are forty-six students in the playground. (对划线部分提问)

    _____ _____ students are there in the playground?

3. There are some trees on the hill. (变为否定句)

    _____ _____ _____ trees on the hill.

4. The office is in front of the classroom.    (写出意思相反的句子)

    The office is _____ the classroom.

5. on,  are,  and, three,  books, there,  a,  pen, the,  desk(. )(连词成句)

    _______________________________