句型转换。

1. There are some new students in our school this term. (改为否定句)

    There _____ _____ new students in our school this term.

2. The students don't have much time to play with their Friends. (改为反意疑问句)

    The students don't have much time to play with their _____ _____.

3. Maria and Jane have waited at the airport for two hours. (对画线部分提问)

    _____ _____ have Maria and Jane waited at the airport?

4. The questions are very hard. The children cannot understand them. (合并为一句).

    The questions are _____ _____ for the children to understand.