1. a) Which of the beaches in the pictures has got ...

1. a) Beaches in the pictures have got:

• a white sand?
• b shells?
• c black sand?
• d pebbles?
• e rocks?
• f dunes?

The text mentions beaches with black or green sand (from volcanoes), pink or white sand (from corals), rocky beaches, shelly beaches, and beaches covered with pebbles. It also mentions sand hills called dunes.