He is ready to help others, seldom, ______ refusing them when they turn to him.
The child walked quietly to the bird. _______into the forest when he was about to catch it.
You spent 300 yuan on a pair of cotton gloves. Such a pair of cotton gloves_______be worth so much.
With more forests being destroyed, huge quantities of good earth_______each year.
It is reported that the United States uses_______energy as the whole Europe.
—I've never found a better job and I’m so glad.—_______.