Use "lunch period" in a sentence

1. Half the lunch period had passed and still no Roman

2. "Will I see you this afternoon?" he asked as the bell rang for the end of the lunch period

3. He remembered that lunch period in sixth grade when Sarah Mitchell, the prettiest girl in school, had winked at him from across the cafeteria

4. They were drenched in Miss Margaret’s lunch period apple sauce, mystery meat loaf and double-chocolate milk shake, plus the Joe Weider protein shake I had ingested after school, which included three raw eggs and half a cup of olive oil

5. Karyl had spent the midmorning break, and half this lunch period, instructing the young painter privately