Choose the correct options

1. Every [nation|clan|race] in the world can compete in the Olympic Games.

2. Graeme's family belongs to the MacKay [nation|clan|race] of Scotland.

3. The human [nation|clan|race] has evolved over thousands of years.

4. Prince Charles is a(n) [predecessor|descendant|ancestor] of Queen Victoria.

5. After researching his family tree, Brian discovered he had a(n) [predecessor|descendant|ancestor] from Ireland.

6. The new receptionist is more diligent than her [predecessor|descendant|ancestor].

7. You cannot cross the [line|border|edge] without a valid passport.

8. David peered over the [line|border|edge] of the cliff.

9. The crowd cheered as the marathon runner approached the finish [line|border|edge].