blackboards in a sentence

Examples

1. Many times, I refer to offense as blackboard football.
2. Write your name on the blackboard, " she says sternly.
3. He got up and drew on my blackboard and described our technology,
4. An anatomy of the tongue goes up on every blackboard.
5. Estelle Parsons chalked major metropolitan weather reports on a blackboard.
6. He wants to turn the movie screen into a blackboard.
7. The whole class could write on the same virtual blackboard.
8. His stern, mustachioed face stared down from above virtually every blackboard.
9. But P . S . 69 is no blackboard jungle.
10. It is, however, better than the blackboard for several reasons.