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

It would be both noticed and appreciating if you could finish the work while you leave.

There is the very realpossibility that these animals could pani, frighten and would break away, should there a sudden loud noise.

Conservation organizations help for preserve the ecology of an area by keeping track of endangered species.

For thousands of years, people have used some kind of refrigeration cooling everages and preserve edibles

Lassen National Park, the situation of a dor volcano, is one of the most beautiful but least visited parks in the western United States

“How does the human brain work?” remains one of the profound questions confront modern Science.

She finds work  she has to do quite easily; boredom is her biggest problem.

He _____ the death penalty if he were found guilty. 

Colleges in the newly formed United States, in recovering from the adverse effects of the American Revolution, inaugurated a broad curricu in response of social demands

It spent a long time to travel to the skiing resort but in the end , we there.

Choose the letter A, B, C or D to complete the sentences. " He gave up the job ________ the attractive salary."

To receive degree from an American university, one take many courses beside those in one’s major field.

Choose the correct answer. " _____ more help, I could call my friend"

If I ________ an Angel, I would try to make happy all the children. 

Choose the letter A, B, C or D to complete the sentences. " I'll phone as soon as I ________ to London."

Choose the word(s) OPPOSITE in meaning to the underlined word(s): Tourists can do and see a lot in Ha Long Bay at a reasonable price.

Alike other forms of energy, natural gas may be used to heat homes, cook food, and even run mobiles

Choose A, B,C or D on your answer sheet to indicate the underlined part that  needs correction in each of the following questions:

The more rich he is, the more miserable he gets

Choose the letter A, B, C or D to complete the sentences. " If you don't keep silent, you ________wake them."

My sister and I do not study at the same school. That is the reason for wh father has bought two bikes