Early balloonists remained aloft in the air for relatively short periods .

The bold way in which Margaret Mead defined the terms “family” – based as much on choice as on biological relationship – is possibly the most enduring of her legacies.

Not one in one hundred children exposed to the disease are likely to develop symptoms of it.

The factory was fined for ...... chemicals into the river.

No matter what different, various music types have one thing in common: touching the hearts of the listeners.

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

Even the most discriminating gourmet will agree that food in the south is as good as any other regions in the country

Before the Industrial Revolution come to America, the vast majority of the population had lived in rural areas

Yogurt contains a higher percentage of lactic acid than another fermented milks, and it is rich in B-complex vitamins.

The organizers of the charity were more than surprised at how many people lined up to receive the clothes donating by the outdoing mayor.

You don't love me anymore, _    ?

Last night there was .......... singing outside my house. 

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

He has been hoped for a raise for the last four months, but his boss is reluctant to give him one.

The parcel which my uncle sent me from America containing two books and some tapes.

Choose the correct answer to complete the sentence. "Such unhygienic conditions encourage the spread _____ diseases."

As you come to each town, however small, you will see a sign which states the name of the town and how many inhabitants does it have.

In the 1920’s, cinema became an important art form and one of the ten largest industry in the United States.

Choose the best option:

Certain chemicals have been banned because of their damaging effect on the environment.

Electric lamps came into widespread use during the early 1900’s and have replaced other type of fat gas, or oil lamps for almost every purpose.

................... blue is .................. color I like.