A City University Professor reported that he discovers a vaccine which has been 80 % effective in reducing the instances of tooth decay among small children.

Mark the letter A, B, C or D on your answer sheet to indicate the correct word or phrase that best fits each:
A surprising number of popular spectator sports, for example football or baseball, ______ in Europe or the USA in the nineteenth century. 

For many years, scientists studying the effects that the sun has on human skin.

The National Basketball Association will not let any athlete to continue playing in league unless he submits voluntarily to treatment for drug addiction.

Rattan, a close relative of bamboo, is often used to make tables, chairs, and other furnitures .

When the children realized that they were by themselves in the dark, they became really frightening

The three largest state is, and has been since Alaska’s admission into the Union, California.

In the architecture, a capital is the top portion of a column

The athlete, together with his coach and relatives, are travelling to the Olympic Games.

Sheep have been domesticated for over  5,000 years ago.

It's raining, _______ I can't go to the beach.

There is no one there; _______ I went away.

Million of people lost their jobs in the 90’s. This, in turn, caused social dissatisfaction with the political leaders who had promised jobs and prosperity.

One of the greatest of mountains climbers, Carl Blaurock was the first to climb all of the mountains higher than 14,000 feet in the United States.

It took the mayor over an hour explanation to the other members of the board why he had missed the last meeting.

Many of the important products obtained from trees, one of the most important is wood pulp, which is used in paper-making

In the future, we will certainly lead a more healthier life.

We know_______ him and his wife.

We didn't go to Paris. We went to Rome_______

I'm not sure a thank you letter is really necessary. _______, I can't be bothered to write one.

They were all shock at his failure in the competition.