The Tower _____here for over 1000 years. It may be the oldest building in my hometown..A. was B. has been C. used to be
The lady spoke loudly in public so as to__________ others’ attention.
When I got to the cinema, the film________ for 15 minutes.
We should try to prevent air pollution__________.
---He didn’t catch the train, did he? -- _________, because he was caught in the rain.
The book is________ interesting________ I can’t even drop it for a minute.