We traveled . . . . . . . . the 6.45 train, which arrive at 8.30. A. by B. on C. in D. by

The correct answer is on.

We traveled on the 6.45 train, which arrived at 8.30.

The preposition on is used to indicate a means of transportation. In this case, the train is the means of transportation.

The other options are incorrect because they do not make

132.3s0 89.4 11.4 132.3c6.3 23.7 24.8 41.5 48.3 47.8C117.2 448 288 448 288 448s170.8 0 213.4-11.5c23.5-6.3 42-24.2 48.3-47.8 11.4-42.9 11.4-132.3 11.4-132.3s0-89.4-11.4-132.3zm-317.5 213.5V175.2l142.7 81.2-142.7 81.2z"/> Subscribe on YouTube