From now on, we’re going to study really hardly and make sure we will pass the exams.

The refugees are very much upset because they have been deprived from their homeland and their families.

Some birds, _______ robins and cardinals, spend their winter in the North.

I like bananas, _______ my brother doesn’t/

Chemical compounds with Barium, Cobalt, and Strontium are responsible to many of the vivid colors in fireworks.

One reason birds have been so successful is because of their able to escape from danger quickly

I advised him about the low ceilings in the house but he took no notice and hit his head three times.

It is their nearly perfect crystal structure that gives diamonds their hardness, brilliance, and transparent.

Drug abuse have become one of America’s the most serious social problems .

Bill was about average in performance in comparison with other students in his class

A flammable liquid it was used to ignite a fire that burned part of the blighted Nairobi Shopping Centre.

In order no money would be wasted, we had to account for every penny we spent.

Choose the word which has a different stress pattern from the others.

If I were like you, I’d spend a bit more and buy the hardback version of the book

Often a headache is caused by the contraction of one of the muscle group that cover the skull, thus causing spasm and pain.

Galaxies are composed of millions of individual stars_______ are so far away that they appear as single pints of light.

Most types of dolphins live at less twenty-five years, and some species may reach 50 years of age

When I came back, I realized that my camera had been disappeared.

The waiter was not very nice, _____, the food was delicious.

The world’s rain forests are being cut down at the rate on 3000 acres per hour

I am going shopping for food this evening ________ I do not have to go at the weekend.