Nutritionists recommend that foods from each of the four basic groups be eaten on a regularly dai basis.

The number teaching assistants required meeting undergraduate course needs is rapidly increa

In 1984, the world population rose to over 4.7 billion, almost 85 million from an estimate made the year ago.

Most of the magnesium used in the United S comes from the sea water.

If I didn’t have exams next week, I ............ camping with you this weekend.

 If it  .............. for the heavy storm, the accident would not have happened.

One of the most fficult questions in defining sleep is “What are the functions of sleep?”

The development of professi sports in the United Stated dates back to nineteenth century.

Some trees such as the Banksias need be burned periodically so that the seeds would open and germinate.

That you take a computer course … very necessary.

The first things a new international student must do include renting an apartment, registering for lasses, and to get to know the city.

Residen in some cities can call an electrical inspector to have the wiring in their house to be checked.

Choose the letter A, B, C or D to complete the sentences. "I and Vu decided ________ on a ecotourism tour this summer."

She is a very  ........  pupil. She spends most of her time studying.

Learning English doesn’t difficult once you get .............  it.

Lawrence Robert Klein received the 1980 Nobel Prize economics for pioneering the useful computers to forecast economic activity

A computer networks includes either selected employees of a particular business or or people who do not work together but have similar interests

Mark the letter A, B, C, or D to indicate the word that differs from the other three in the position of primary stress in each of the following questions.

Choose the correct answer to complete the sentence. "People with______ always need to be looked after."

The first postage stamp, issued on May 6th 1860 in England, is was the Penny Black, which featured a profile of Victoria

The number 8.5 is an example of a “mix number” because it is composing of an integer and fraction