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

Question 25: The developments in (A) the field of robotics has been (B) beneficial (C) to the handicapped (D)

Question 26: At the summer camp (A) last year children swam (B), rode (C) horses, and play (D) baseball

Question 27: Tom has to (A) go to the dentist's (B) because of (C) he has (D) a bad toothache Question 28: That's wonderful (A). I'm pleasing (B) that you are (C) working hard (D)