At the beginning ofclass, the noise of desks ______ could be heard outside the classroom.

Mr Clark thanked God for saving their lives andturning _____he felt was a tragedy into a blessing

–The difficult maths problem has been solved by Tom at last.Indeed; and the ___ way Tom worked out the problem impressed the teacher deeply.

the accident happened? — It’s said to happen on his way to work

_______ and happy, Tony stood up and accepted the prize[ ]