----What about going on a trip?----Sound a good idea. But I don't have time now and____it's too expensive.
Beijing is _____ capital of China and it is _____ city with many places of interest.
Recent pressure at work may___ his behavior.
If he starts talking about his past, you will never___ from him.
To our joy, the operation is___ success and the patient is now out of ___ danger.
Please ____ your sister to bring the ticket for the concert.