ere is less and less coal and oil,scientists are exploring new ways of making use of ______ energy, such assunlight, wind and water for power and fuel

matters most in learning English is enough practice.

After work, although Mom was tired，she went on dinner for us yesterday.

I enjoy going _____, but I don’t want ____today.

Moving to the country is a wise decision.—I quite _____. The fresh air and green trees are good to our health.