1. Look and write. Claire: been to a desert ✓, seen a volcano ✗, been skiing ✗. Mark: been to a desert ✗, seen a volcano ✗, been skiing ✓. Ruby: been to a desert ✗, seen a volcano ✓, been skiing ✗. 1 Claire has been to a desert, but she has never seen a volcano or been skiing. 2 Mark ________, but he ________. 3 Ruby ________, but she ________.