We are not allowed to enter this construction site. A block of flats is being buil here and it is dangerous to walk because you may get hurt by a fallen r some other objects.

It took the mayor over an hour explanation o the other members of  the board why he had missed last meeting.

Bacteria are responsible of many of the textures and flavors in food and are particular important milk products

Many deaths associated with fires are not actual caused by the flames, but are rather result of asphyxiation resulting from the decreased oxygen supply in burnt buildings

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

The pioneers raised com as their chief crop beldcause they kept well any season and could be used in many ways.

The ozone layer must be protected because it shields the Earth from excessive raviolet radiations .

The Boundary Waters Canoe Area Wilderness and Voyageurs National Park, both ___________ along the border between Minnesota and Ontario, Canada, are two of the most popular canoeing areas in North America.

To raise livestock successfully , farmers must selecting cattle for breeding and apply a diet regimen.

The invention of Silicon chip in the 1960s has revolutionized computer industries

In spite of  her physician handicaps, Hele Keller graduated from Radcliffe with honors.

The midnight sun is phenomenon in which the Sun visible remains the sky for twenty-four hours or longer.

No sooner had the secretary hang up than the phone rang again.

When the children realized that they were by themselves the dark, they became really frightening

Tucked away in the mountainsBolivia and Peru, Lake Titicaca are the highest navigable in the world.nti

The Mediterranean, a large sea surrounded by land, is a mile depth the average and more than 2.000 mile

At the Hermitage, Andrew Jackson’s home in Tennessee, even glasses have been left exactly where he lay them.

Annie has three brothers, ……………… are pilots. 

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

Amphibians are a class of animal as that can live and breed neither land or in water.

The number of students attend the class dwindled until on two remained.