Xi’an is a city with many places of interest and _____ tourists come here every year.
There ____ a sports meet in our school. I will take part in the long jump.
I think this is ___ useful book, so I will keep it for ever.
Peter is a _______boy. His younger brother is _______.
—The supermarket is crowded(拥挤的). There are _______ people there.—Yeah, and the things there are always __________ expensive(贵的).
We all like ________animal. Because they are ______ interesting.