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.

Some bacteria(A)are extremely harmful(B), but others are regular used(C) in producing foods. (D)

A. Some bacteria

B. extremely harmful

C. regular use

D.  producing foods

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.

Some of the tunnels in the cliff are totally natural; some others were carved out by soldiers for defensible purposes.

A. of

B. totally

C. some others

D. defensible

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.

Nearly (A) chemical agents are harmful (B) to living tissues (C) if enough of them is taken (D).

A. Nearly 

B. are harmful

C. living tissues

D. is taken

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.

Some manufacturers are not only (A) raising their prices (B) but also (C) decreasing the production of their products (D) as well.

A. raising 

B. but 

C. decreasing 

D. as well

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.

Some of his favourite subjects at school are Maths, English and Geographical

A. Some

B. subjects

C. are

D. Geographical

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.

Some of his favourite subjects at school are Maths, English and Geographical.

A. Some 

B. subjects 

C. are 

D. Geographical