The main cause of the strike was the management's refusal to give further consideration to the question of paying_____ .

Identify the error in each sentence: 

There are also many single mothers and single fathers which are raising children by themselves.

Although he was ............... , he agreed to play tennis with me.

Allen’s not having finished his thesis did not discourage him from applying for other degree program.

From archeological evidences, we know that Egyptians were highly organized and civilized. Moreover, they were skillful in using crafts.

Water, ice, and snow play a role in affecting an Earth’s rotation.

The police officer lectured the children for ten minutes about the dangers to throw stones, but then let them off with a warning.

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

The early we leave, the sooner we will arrive.

Concorde can fly across the Atlantic without re-fueling and carrying 13 tons of freight.

Denish decided not to ____ the exam in December.

Mark the letter A, B, C, or D on your answer sheet to indicate the word that differs from the rest in the position of the main stress in each of the following questions

A. Garden     B. Handbag     C. Happen     D. Explain

The Gray Wolf, a species reintroduced into their native habitat in Yellowstone National Park, has begun to breed naturally there.

If a person were to look up from the top of a deep well, he will be able to see stars in the bottom of the day.

Fiorello La Guardia made a speech to the United Nations Relief Administration, which he was the director, stating that Europe did not experience prosperity after Word War Two.

Identify the error in each sentence: 

The food that my mom is cooking in the kitchen smells deliciously.

In the 1920s, Tulsa had a higher number of millionaire than any other U.S. city.

When I arrived at the party, Jane _______already gone home.

Nobody bothered with telling me that the school had decided to have a special holiday on Friday.

Before bridges were built, all transport across major rivers in the area were by ferryboat.

Most sand dunes are always in motion as wind pushes sand upward one side of each dune, over the top, and down the other  side

Identify the error in each sentence: 

We cannot clean up all the polluted seas and rivers, nor we can stop the disappearance of plants and animals.