II. Vocabulary and Grammar

___________ can be an excellent source of free, renewable energy for poor farmers.

There are many available ___________ power sources in Vietnam including sun, wind, water, etc.

Choose the best option to fill in the blank.

When you save energy, you not only save money, you also reduce the demand for ___________ such as coal, oil, and natural gas and that is a great way to play a part in saving the planet.

In India, the demand for ___________ has always been more than the supply.

___________ energy is produced by collecting sunlight and converting it into electricity.