That was because the school bus was _________ by a thick fog.
_____ treating the homeless man as a shame to society, Mrs.Wang provided him with food and water.
—Mr.Smith, I wonder if I could take Friday off?—____? It's a bit difficult with so many people away on holiday, you know.
He must have had an accident, or he ____ here for class then .
Put yourself in situations where you will be forced to communicate in English, ____ you will see more progress over time.
Thousands of people ____ the company stores to leave flowers, notes, even apples witha bite in the past two weeks.