As there is less and less coal and oil, scientists are exploring new ways of making use of ____ energy, such as sunlight, wind and water for power and fuel.
Miss Lin expressed her strong determination that nothing could make her ____ her job as a teacher.
The number of the people invited to the meeting ____ about 100, but a number of them ____ late because of the heavy snow.
The students asked ____.
You should thank Peter. It was he who finally ____ your son to stop smoking and playing computer games.
— Tom, Miss Lee asked you to go to her office as soon as you arrived. — ____ What did she say?