Bài tập: Chọn từ thích hợp điền vào chỗ trống.

1. It has a _____ that will serve swimmers and games players of all ages.

2. You should have your teeth checked by a _____ at least twice a year.

3. Some _____ were lending MP3 players to students.

4. She collects her stamp from the _____.

5. We had seats in the front row of the _____.