There was a big argument among the children about _________ move to a new house.
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.
I can’t give you an answer right now. I’d like more time to consider my decision.
Tom, turn down the music. Why you make such a big noise while your baby sister is sleeping?
--- Could you spare me some ink? --- . Here you are.
If carefully, the experiment will be successful.