Both Mr. and Mrs. Smith are explaining the children the rules of the game .

The Mediterranean, a large sea surrounded by land, is a mile depth on the average and more than 2.000 miles long.

Some bacteria are extremely harmful, but anothers are regularly used in producing cheeses, crackers, and many other foods.

The officials object to them wearing long dresses for the inaugural dance at the country club.

I'd go way somewhere_______ I could afford to.

Public health experts say the money one spends avoiding illness is less than the cost to be sick.

He borrowed money_______ he could finish his education.

He had to act immediately; ________ he would have been too late.

The pioneers raised com as their chief crop because they kept well in any season and could be used in many ways.

I think that when you meet the person that you want spend the rest of your life with, you change.

Mark the letter A, B, C or D on your answer sheet to indicate the correct word or phrase: 
During the last 400 years, most scientists have ________on mathematics in their development of their inventions or discoveries.

The product you bought at the lower price is more interior than the one that we sell at a slightly higher price.

Science and technology are part of the knowledges of educated people

No one _______ Kathy knows very much about it.

Glucose does not have to be digested, _______ it can be put directly into the bloodstream.

Isle Royale National Park in Lake Superior can only be reached by the boat.

The sun is shining and there are very few clouds; _______, I am sure it is going to rain.

No sooner had the secretary hang up than the phone rang again.

Education is desperately needed in many countries where a high percentage of the population are illiterate

Today successful farmers are experts not only in agriculture, but also in market, finance, and accounting

At the Hermitage, Andrew Jackson’s home in Tennessee, even his glasses have been left exactly where he lay them.