Mark the letter A, B, C, or D on your answer sheet to show the underlined part that needs correction.

Although not widely sold, that book is considered to be best book on the subject.

Toxic chemicals in the air and land have driven many species to the _____ of extinction.

There is one person to ________ I owe more than I can say.

He managed to keep his job ________ the manager had threatened to sack him.

Mark the letter A, B, C, or D on your answer sheet to show the underlined part that needs correction.

Because his sickness, he didn’t take part in the English competition held last Sunday.

Our project was successful ________ its practicality.

Mark the letter A, B, C, or D on your answer sheet to show the underlined part that needs correction.

Dreaming, like all other mental processes, it is a product of the brain and its activity.

After a good night’s sleep I woke up feeling as fresh as ________ and eager to start a new day.