_____ the recent bad weather, the project is several weeks behind schedule

Do you want to be healthy ______. Smiling can help you stay healthy.

Jimmy is a kind boy. He found many old bikes, fixed them up and _______ the bikes to the children in the poor villages.

did at nine o’clock, after _______ Isat reading the paper.

You ______ worry about their safety．They are old enough to take care of themselves.