Câu hỏi:

They came to their office _______ bus.

I saw your parents _______ a car yesterday evening.

The train for Cambridge will depart from number 9.

Last summer we went to Russia _______ the ferry. It was wonderful.

My parents met each other _______ a plane during their flight to England.

My sister always comes to work _______ her bike.

Tom has to go to the bus stop if he wants to go _______ bus.