1.  be Professor Hunter saw through them and gave the wroung papers to them.

2.  Don't be late please!

3.  Please don't be late!

4.  Please don't be late.

5.  Please don't be late.

6.  Please don't be late.

7.  Please don't be late!

8.  Don't be late.

9.  Don't be late.

10.  Don't be late.