Identify the error in each sentence: Edith Rossevelt was devoted mother of a child of five, as well a gracious hostess

Toxic chemicals from factories are one of the serious factors that leads wildlife to the ____of extinction.

There always is one wise woman who is both feared and respected by her people.

Mark the letter A, B, C or D to indicate the underlined part that needs correction in each of the following questions.

The field of Artificial Intelligence research was found at a workshop held on the campus of Dartmouth College during the summer of 1956.

Concorde can fly across the Atlantic without re-fueling and carrying 12 tons of freight.

That lecturer, his name I have been forgotting, is very well-known.

I haven’t got the time to do my own work, ..............help you with yours.

Many people are still in _____ habit of drawing silly paintings in _____ public places. 

Not many people find reading more ________ than watching TV.

With the weekend free, we decided to take a two-day _____to the near-est island.

Choose the best answer:

I was just about .................. the office when the phone rang.

Identify the error in each sentence: 

Manufacturers may use food additives for preserving, to color, or to flavor, or to fortify foods.

Disease is not as widespread than before because of better preventation medicine and vastly improved nutrition.

Choose the best answer:

He kept on ......... my work till I threatened ............. him.

Choose the best answer:

After .............. a week in that place, he decided ...........back immediately.

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

First raise your right hand, and then, you should repeat after me.

Most presidential candidates have their names print on the ballot in the New Hampshire primary election because it is customarily the first one in the nation, and winning it can give a good chance to be nominated by their parties.

The result didn’t ______ my expectations.

Composer John Cage, used many unusual objects as instrument in his music, including cowbells, flower pots, tin cans, and saw blades.

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