hool rules state that no child shallbe allowed out of the school during the day, ______ accompanied by an adult.

He is ill.He has ___ in bed for a week.

He paid the boy 10 yuan foe washing ten windows, most of ____ hadn’t been cleaned for at least a year.

The director added a fewcharacters and changed some names in this movie but _______ this is a truestory

If there are ____trees, the air in our city will be____cleaner.