Purchasing houses that are environmentally responsible is a good investment for____ about their own health and well-being of the earth.

Television has many advantages It keeps us___about the ___news and also provides entertainment in the house

下列关于文学常识的表述，不正确的一项（ ）

Which sport has the most expense _________ training equipment, player’s personal equipment and uniforms?

They _______ a certain amount of working experience through volunteer work.