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.

Alike (A) oxygen, which is chemically (B) changed by our bodies into carbon dioxide, nitrogen is  merely (C) exhaled back into (D) the air.

A. alike

B. chemically

C. merely

D. into

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 man, of whom the red car is parked in front of our house, is a prominent physician in this town.

A. of whom the  

B. is parked

C. of our house

D. is a

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.

Fuel is any substance or material that reacts chemically with another substance or matenal to produce hot.

A. any

B. hot

C. with

D. that reacts

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 air that surrounds our planet is both odourless, colourless, and invisible.

A. The air

B. our planet

C. both odourless

D. invisible

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.

Education, whether it happens at school or anywhere else, is a important part in our life.

A. Education

B. whether

C. or

D. a important part

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.

(A) On the way back home from the library, we saw (B) two of our classmates (C) to cycle (D) side by side.

A. On the way

B. two of

C. to cycle

D. side by side.