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 book which (A) you borrow (B) from the city library yesterday is (C) very interesting (D).

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.

Our grandfather, who had an excellent (A) memory when young (B), has become very forgettable (C) in recent years due to his old age (D).

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.

Reading (A) books has been always (B) my hobby since (C) I was very young (D).

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 spokesman had an uphill struggle to find an explanation that was readily intelligent to the layman.
A B C D

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.

Plastic bags are harmful (A) to the (B) environment so (C) they should replace (D) by paper bags.

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.

All the students must hand his essays by the end of the week.
A B C D

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.

Thanks to advances (A) in medical science, life expectation (B) for both men and women has improved (C) greatly over the past (D) decades.