Choose the word whose main stress is placed differently from the others in each group

Without plants, most water would run off as soon as it falls, taking away valuable soil.

Man and most animals need a constant supply of water to live.

If you don't have anything _______ to say, I'd rather you kept quiet.

The loss of much forest is destroying Earth’s plant and animal variety.

This is especially worrying when there are about 3,000 plants with values as medicines against cancer, AIDS, heart disease and many other sicknesses.

In the movie, he plays a concerned and _______ father trying to bring up two teenage children on his own.

Choose the best answer A, B, C or D for each sentence

The bridge is a marvelous work of engineering and _______.

But we can stop adding the problem while scientists search for answers, and laws are passed in nature’s defense.

Select the synonym of the following bold and underlined word in each sentence in the unit

To conserve electricity, we are cutting down on our central heating.

Phone me if there are any new _______.

He owns a series of _______ across the US and beyond.

He says he'll tell the authorities but it's just an empty ______.

Work on the production line is monotonous and lacks _______.

The loss of much forest is destroying Earth’s plant and animal variety.

This is especially worrying when there are about 3,000 plants with values as medicines against cancer, AIDS, heart disease and many other sicknesses.