Complete the story with the past simple or past continuous form of the verbs in brackets.

last summer, i 1 was living (live) in hawaii. one saturday morning, i 2 (wake up) early, and it 3 (be) a beautiful day. the sun 4 (shine), and i 5 (feel) really happy. i 6 (not need) to go to work that day, so i 7 (decide) to go surfing. most of my friends 8 (work) and my girlfriend 9 (visit) her parents, so i 10 (go) to the beach alone. when i 11 (arrive), the beach 12 (be) already crowded. a lot of people 13 (sunbathe), children 14 (play) games and people 15 (swim) in the sea. everyone 16 (enjoy) the lovely summer day. i 17 (put) my things down on the beach, and then i 18 (begin) walking to the sea with my surfboard. suddenly, a man 19 (shout), "shark! shark! get out of the water! " at first, i 20 (not can) see anything, but then i 21 (see) a big shark. luckily, it 22 (not attack) anyone and 23 (swim) away quickly. i 24 (not stay) at the beach after that, and i 25 (go) home without going surfing!