1. He is now studying in the USA as an (change) ___________________student.
2. They have a good (collect) ___________________ of stamps.
3. Goods are (change) ___________________ as long as they are returned in good condition.
4. After the party I (collect) ___________________ twenty bottles from various parts of the house.
5. So when did you start (collect) ___________________ antique glass?
1 exchange
2 collection
3 changable
4 collected
5 collecting