Question 50: 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: Viet Nam Airlines regrets informing passengers that flight VN 251 to Hanoi is due to bad weather.
Knowledge: V-ing/ to DRAW
regret to do st: regret to do st: regret to ……
Edit: informing => to inform
=> Vietnam Airlines regrets to inform passengers that flight VN 251 to Hanoi has been delayed due to bad weather.