The most of the energy used in our homes and factories is generated coal, oil and natural gas

It _________Lan who always helps him in his trouble.

Please don’t parking in those spaces that have signs reserving them for handicapped.

Depending on many factors, including climate, mineral content of the soil, and the permanency of surface water, wetlands may be mossy, grassy, covering with shrubs or trees.

California has more land under irrigation than other state

The knee is more likely to be damage than most  joints because it is subject to tremendous forces during vigorous activity.

Listening to music tape or even on disk is not nearly as good as to go to live concert.

The world would look different if human eyes were sensitive to infrared radiation.

In 1991, Antonia Novello, Unites States Surgeon General launched several programs to address particular problem that young people have.

Today successful farmers are experts not only in agriculture, but also market, finance, and accounting.

Choose the best option:

The plants which ................ in the living room need a lot of water.

Lightning rods are used for to direct intense electrical bursts into the ground instead of buildings and people

Mutualism is relationship between animal species which in both benefit .

Technology is define as tools, skills, and methods that are necessary to produce goods.

The duty of the police is the maintains oflaw and order.

"Are you still going to Florida for vacation?” "Yes, but I really  .............. because I don’t have much money.”

By the time the police____________, the thieves ____________ the stolen money.

Many poets enhance their work by creating contrast among realism and symbolism in a given poem

After working hard for so long, we decided to enjoy ourself to  nice long holiday

The number of student attending English courses at university are increasing.

You  ................... Tom yesterday. He’s been on business for a week now.