Teachers required that all the students ___ their homework all alone.

I really ______ whether we win or lose.

Look! _____workers are making bicycles. They made five _____bicycles in all.

The disco music，digitally________in the studio，sounded fantastic at the party that night.

It’s generous _______ them to donate moneyto UNICEF. They think it important _______ them to help poor children go toschool.