Put the past tense of the verbs into the text. Use each verb once: fly, buy, take, go, know, enjoy, visit, start, get, finish, swim. Fill in all the gaps, then press "Check" to check your answers. You can click on the "[?]" button to get a clue. Note that you will lose points if you ask for clues!
(Source: Watson-Delestree, A., Viney, P. (1994) Survival English. International Communication for Professional people. Practice Book. Oxford: Heinemann, p.49.)