Did you catch the train to Beijing last night?— No. It ______ for ten minutes by the time I got to the station.

What are you doing____ summer vacation?[ ]

We ‘ll be back for our school’s _____anniversary (周年) ceremony . -I see. That means you’ll have a get-together with your classmates in ____years .

Some passers-by witnessed the car accident____ five passengers were killed, a baby included.

Traveling around big cities by taxi can cost a lot of money, but it’s usually to take the underground train to most places.