1 Complete the text. Use the correct second conditional form of the verbs in brackets. Cumbre Vieja, on the island of La Palma, is a super-volcano. Some scientists are worried that one day it could erupt. If a large earthquake 1_______________ (happen) on La Palma, it 2______________ (start) a huge volcanic eruption. If the super-volcano 3_______________ (erupt), the explosion 4_______________ (cause) an enormous landslide. If a large part of the volcano 5_______________ (fall) into the sea, there would be a tsunami. The wave 6_______________ (destroy) cities near the coast and kill many people if it 7_______________ (strike) without warning.