To raise successfully, farmers must selecting cattle for breeding and apply a dietary regimen

Mutualism is relationship between animal species which in both benefit .

P.T. Barnum opened his own circus in 1875 and becomethe most famous showman of time 

I try to go jogging at least four times _______ week.

He gave up his job _    he earned much money.

Find the word which has a different sound in the part underlined.

A paragraph is a portion of a text consists of (one or more sentences related to same idea

The direct sources of fresh water in lakes are rain, melted snowy and ice.

The term “metabolism” refers to chemical changes which by living things transform food into energy.

The amount of books in Library of Congress is more 58 million volumes.

So  when Whitman returned to Pacific, over thousand settlers went with him.

Choose the correct verb form:

Before Gagarin’s _____ flight, there were still enormous uncertainties.

With animals both human, chewing helps relieve tension.

We really enjoyed children’s imaginative and excited play last Saturday.

Why did all the customers at the Red Lion have to pay off pay off their beer week?

The average salt content of seawater is more three percents .

In the early days of development, jet engines used numbers of fuel

It is the writing English that causes difficulties foreigners.

Gunpowder, in some ways the most effective of all explosive materials, were mixture of potassium nitrate, charcoal, and sulfur.

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

He never goes home before he will finish work.