Complete the centences withthe new words formed with -er, -ing, -ist, -tion. 1. these sunglasses are a reliable ) for your eyes from the sun. 2. captain cousteau was a famous sea explorer ) and ). 3. ann has prepared an interesting ) about the underwater world . 4. when will the ) start? - at 1 pm. 5. english is the language of international ). 6.i have found some interesting ) about the festival