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

The amount of oxygen and nitrogen in the air almost always remain stable, but the amount of water vapor vary considerably.

He was offered the job thanks to his ________ performance during his job interview.

As an _____, Mr. Pike is very worried about the increasing of teenager crimes.

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

The wooden fence surrounded the factory is beginning to fall down because of the rain.

You'd better get someone __________ your living room.

“A motorbike knocked Ted down” - “ ______________”

They held a party to congratulate their son _____ his success to become an engineer.

Mark the letter A,B, C or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.

I would rather you wore something more formal to work.