Question 20: A. his social skills B. its social skills C. our their social skills D. their social skillsĐoạn văn20/40Mark the letter A, B, C, or D to indicate the correct option that best fits each of the numbered blanks from 18 to 23.his social skillsits social skillsour their social skillstheir social skillsGiải thíchChọn đáp án D