River transportation in the United States consists primarily of barges pull  towboats.

The way a child plays with other children reveals a lot about the child’s emotional develop.

In July of 1975, the first US-Soviet joint ……… occurred with the Apollo-Soyuz project.

The Unita Mountains of north-eastern Utah are the only range of mountains in North America that runs from East and West for entire length

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

Many factories break the anti-pollution laws and _____. 

Of the much factors that contributed to the growth of international tourism in the 1950s, one of the most important was the advent of jet travel 1958.

About 150 years ago, Charles Darwin shocked the world with his cry that humans were relativity to apes.

Colleges in the newly formed United States, in recovering from the adverse effects of the American Revolution, inaugurated a broad curriculumresponse of social demands.

When he arrived at the furniture shop, they had been sold table he wanted.

Two thousand years ago, most of Western Europe was populated by fierce, strong, artistically people known as the Celts.

We are doing _____ our kitchen today and we could do _____ more paint. 

Despite television is the dominant entertainment medium for United States households, Garrison Keillor’s Saturday night radio show of folk songs and stories is heard by million people

Somehow without my noticing , my wallet had been disappeared.

They wrote letters to each other. It could take days or even weeks for letters to be ......……

The strength, size, and surefootedness of the Hama make its as excellentcy beast of burden in mountainous regions today as it was the past

He had so a difficult exercise that he couldn’t do i.

Do you think that  the humans will ever be able to live in other planets?

Some methods to prevent erosion are plowing parallel with the slopes of hills, to plant trees on unproductive land, and rotating crops.

The federal government recommends that all expectant women will not only refrain from smoking also avoid places where other people smoke

Choose the best option:

She’s the woman ................ sister looks after the baby for us.