My daughter is really____QQ these days;she spends hours on it every day.

Mary kept weighing herself to see how much _____ she was getting.

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.

We often share the_____ goals and interests.

The little girl is walking along the beach, _____, occasionally bending down to pick up a beautiful seashell．