Câu hỏi:

They came to their office _______ bus.

My sister always comes to work _______ her bike.

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

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

I won't go there by car. I'll go _______ foot. It's better for my health.

All flights to New York tomorrow will be ________ because of bad weather.

The train for Cambridge will depart from number 9.