............. winter is usually cold, but .................. winter of this year is warm. 

The girl who were injured in the accident is now in hospital

The biologist found some pollutants, a little of which can be considered very harmful to fish and other living organisms in the river.

If everyone _________, how would we control air traffic? Surely, we'd all be crashing into each other. 

Today there is an unusually large amount of students in the class.

Choose the correct answer to complete the sentence. "Global warming has ______ impact on water supplies."

The oxygen in the air we breathe has no tasted, smell, and color.

Would you show me ................... shortest way to …………. airport 

Polio, one of a group of spinal inflammations, causes fever and paralysis often resulting in disabled and deformity.

If we hadn’t got lost, we ____arrived much earlier. 

Not everyone believes that ..................technology has improved .................. quality of people's lives. 

Justice is often personified as a blind folded woman to hold a pair of scales.

The central purpose of management is for making every action or decision helping achieve a carefully chosen goal.

Bats use echoes of their own high – frequency sounds to detect food and avoiding obstacles.

A thunder usually follows lightning by five seconds for every mile between the flash and the observer.

The Gray Wolf, a species reintroduced into their native habitat in Yellowstone National Park, has begun to breed naturally there.

It is necessary that the director will sign all the copies, not just the top one

Although there are new drugs on the market, deaths from malaria are being increasing in some parts of the world

Because of the availability of trucks and easy access to modern highways, the locate of farms has become relatively unimportant with respect to their distance from markets.

The local economy which once used to be in crisis now depends to a great extent on menial jobs provided by the recent development of ecotourism.

There are some wild roses whose flowers smell sweetly.