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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 from 28 to 30
Question 28: Dogs that are trained to lead the blind must be loyalty, intelligent and
A B C D
calm.
Question 29: I enjoy reading the article that you told me about it yesterday.
A B C D
Question 30: Having served lunch, the medical staff continued to discuss the
A B C D
problems.
