________ he had won the first prize,he felt very happy.

Students ought _____ the truth.

He is so busy. He cannot afford enough time withhis son ____he wants to.

My model ship doesn’t work.—-Don’t worry. I’ll have it ______thisafternoon.

A medical team was sent to Japan by air five hours ago. —So they_____ have arrived by now. The flight usually takes four hours or so.