Identify the error in each sentence: 

Had Peter driven more carefully, he would not had had the accident yesterday

From 1785 to 1990, the capital of the U.S is located in New York City.

His ............... of safety regulations really can’t be ignored any longer.

The ozone layer must be protected because it shields the Earth from excessive ultraviolet radiations.

The public ceremonies of the Plains Indians are lesser elaborate than these of the Navajo in the Southeast.

Life expectancy has increased a great deal in spite of modern medicine and technology.

Laura had a blazing _____with Eddie and stormed out of the house.

River transportation in the United States consists primarily of barges pull by towboats.

Industrialist Henry Ford introduce assembly-line technique into the manufactures of public vehicles.

In a medical study of nearly 5.000 adults, half of them were given one aspirin a day and the other half given a placebo, it was found that those taking Aspirin suffered 38 percent fewer heart attacks than those who weren’t.

Martin was behind all the brilliant marketing schemes – he is really the ................ of the company.

Deep cratered, the moon is over 2100 miles in diameter with negligible gravity and atmosphere.

Concorde can fly across the Atlantic without re-fueling and carrying 16 tons of freight.

Identify the error in each sentence: 

There (A) are (B) many single mothers and single fathers (C) which are raising children by (D) themselves.

Is it true that you_______ making a trip to Africa next week? 

New laws should be writing to accommodate changes in our society.

In the beginning, radios cost much more than they do today because they turned out quickly and expensively by hand.

The city centre was quite a  ............ away from my house. It takes me nearly an hour to drive there.

Each year, people around the world spending billions of dollars buying merchandise on the Internet.

Mark the letter A, B, C or D to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions:

When I mentioned the party, he was all ears.

My parents........they will move to the seaside when my father retires next year