Q. Traveling . . . . . . . . air is faster than traveling . . . . . . . . sea.
✅ Correct Answer: (B)
by, by
Explanation: When you are talking about general ways to travel, use the preposition "by". For example, you can travel by train, by car, by bus, by truck, by plane, by motorcycle, by helicopter, by air, by sea or by boat.
Explanation by: Team MCQ Buddy
When you are talking about general ways to travel, use the preposition "by". For example, you can travel by train, by car, by bus, by truck, by plane, by motorcycle, by helicopter, by air, by sea or by boat.