52. Failure to use a turn signal before turning, and not paying attention to the vehicles following behind when making turns, are the most common causes of accidents. (A)O(B)X

53. Before entering lanes or changing lanes, drivers should flash their turn signal to signal their direction, check for vehicles in their rear view mirror and look over their left and right shoulders to check the movement of vehicles in the adjacent lanes in order to eliminate the blind spots not shown in the rear view mirror. (A)O(B)X

52. Failure to use a turn signal before turning, and not paying attention to the vehicles following behind when making turns, are the most common causes of accidents.
(A)O
(B)X

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