complete the centences withthe new words formed with -er, -ing, -ist,

Complete the centences withthe new words formed with -er, -ing, -ist, -tion.
1. These sunglasses are a reliable --------------------------(protect) for your eyes from the sun.
2. Captain Cousteau was a famous sea explorer ----------(photograph) and --------(science).
3. Ann has prepared an interesting ------------------(present) about the underwater world .
4. When will the ------------(meet) start?- At 1 pm.
5. English is the language of international ---------(communicate).
6.I have found some interesting --------------(inform ) about the festival