句型转换。

1. You must be careful of the heavy traffic.

    You have to ________ the heavy traffic.

2. It seems that the noise is coming from that house.

    The noise seems to ________ from that house.

3. I'm sure that he'll be back next Monday.

    It ________ that he'll be back next Monday.

4. Everyone here hasn't handed in his papers.

    ________ here has handed in his paper.

5. Computers will never take the place of the teachers in the classroom.

    Computers will never ________ the teachers in the classroom.