3 ★ Fill in the sentences with the correct word derived from the words in brackets. 1 Exam stress is .......................................... for your sleep problems. (RESPOND) 2 The schoolchildren had an .......................................... time at the aquarium. (ENJOY) 3 Wendy was .......................................... and eventually found a job. (PERSIST) 4 The superhero's abilities are quite .......................................... (IMPRESS) 5 Kim, who is claustrophobic, is .......................................... about going into a lift. (HESITATE)