IV. Write the correct form of the words in brackets. 16. They only picked fruit that was safe to eat and they avoided all _________ plants. (DANGER) 17. A map is __________ when you need something show you the way. (USE) 18. He remembered _________ programmes from the TV and he decided to stay where he was that night. (SURVIVE) 19. People in Slovakia were _________ to see a flying car in the sky on Monday 28 June, 2021. (SURPRISE) 20. After the successful test ________, they hope to sell the first AirCar Prototype 1 at the beginning of 2022. (FLY)