1.they bought an/a/- table. a/the table is made of oak.
2. i go to the/-/a dentist four times a/the year.
3. the/a weather was so fine that we decided to have a/- swim

ответ: 1. a table. The table

            2. a, the

            3. the, -

Объяснение:

1.They bought a table. The table is made of oak.

2. I go to a dentist four times the year.

3. The weather was so fine that we decided to have swim