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.

They give (A) a good presentation on (B) how to adopt (C) a green (D) lifestyle last week.

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.

Their pioneering (A) research showed that the learning motivation of the two groups of learners was quite distinctive (B) from each other, and the comparative (C) group whose learning motivation was stronger performed better than the control (D) group.

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 usually told (A) us interesting stories (B) whenever we come (C) to visit (D) him.

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.

My mother gets up usually (A) early to prepare (B) breakfast for (C) the whole (D) family.

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.

It always take (A) parents a lot of (B) time and patience (C) to bring up (D) their children.

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 (A) to find an explanation (B) that was readily intelligent (C) to the layman (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 (A) money raised in the appeal will use (B) to help (C) those in need in remote areas (D).