Indiscriminately dumping waste material and inadequate sewage treatment are two serious causes of environmental pollution

The harder he tried, the worst he danced before large audience.

Her application for a visa was turned down not only because it was incomplete and incorrectly filled out but also it was written pencil

The quality of these recordings __________ not very good.

Yuri Gagarin became the first person to eat and drink in …………

In England as early as twelfth century , young boys enjoyed to play football.

Some snakes have hollow teeth are called fangs that they use to poison their victims.

Medical research indicates that amounts of Histamines can responsible for cold, high fever, and other respiratory reactions.

I don’t feel as tired after a train journey so I do after car journey.

My mother doesn’t care how much does washing machine cost because she is going to buy it anyway.

Two unique features of the Arctic they are lack precipitation and permanently frozen ground.

Scuba diving is usually carried out in the ocean in that people can explore underwater world.

Many theories on conserving the purity of water has been proposed but not one has been widely accepted as this one.

One of most difficult questions in defining sleep is “What are functions of sleep?

The Medal of Honor is the higher award for military bravery that can be given to soldier of the United States.

A seismograph oscillation of the ground caused by seismic waves, vibrations that travel from its point of origin through the Earth or along surface

Hundreds of species of Hawaiian flowers have become extinct or rare  ............... land development and the grazing of wild goats.

When Keith visited Alaska, he lived in a igloo in the in the winter months as well as in spring.

Deciduous trees are ones that lose its leaves in the autumn and grow new ones in spring.

If you “make” a “five-days” trip across the Atlantic Ocean, your ship “enters”  different time “zone” everyday.

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