V. One of the four underlined parts marked A, B, c, D in each sentence is not correct in standard English. Identify them.
46. Passengers are required (A) to arrive to (B) the gate fifteen minutes before (C) departure time (D).
47. Increases in the prices (A) of basic goods (B) were being announced (C) yesterday by (D) the Minister of Trade.
48. We were pleased to discover (A) that the service awards (B) were going to be presented (C) from (D) the director himself.
49. Please remain in (A) your assign seats (B) until (C) the instructor dismisses (D) the class.
50. Even (A) you are unsure of (B) the standard procedures in any situation (C), please don't hesitate to consult with (D) your supervising manager.
51. There is a coffee shop (A) located (B) on the second floor that is open (C) for breakfast and lunch and close (D) at 3:30.
52. We have always believed (A) that honesty is best policy (B) in personal (C) as well as professional (D) matters.53. The nutritionist told him to avoid eating (A) lots of carbohydrates, focus having (B) more protein-rich foods (C) and green vegetables, and remember to drink (D) at least eight glasses of water a day.
54. Cotton (A) is one of the most popular (B) fiber (C) used to make (D) clothes.55. Two unique features (A) of the Arctic they are (B) lack of (C) precipitation and permanently (D) frozen ground.
46. Passengers are required (A) to arrive to => at (B) the gate fifteen minutes before (C) departure time (D).
49. Please remain in (A) your assign seats => assigned seats (B) until (C) the instructor dismisses (D) the class.