Don’t _______too late, or you will feel tired in class tomorrow.

Where ______ your food?—I only have two hamburgers. They ____ on the table.

Many accidents _________ by careless drivers last year .

The boy __________ his friends was playing in the street when the earthquake happened.[ ]

Have you ever been to Shanghai, Mary? —Yes. I __________ there for a week with my parents last month.