7. Tina …. while Bob was watering the plants. A cooked B was cooking C has been cooking8. I …. Italian for three years now. A learn B am learning C have been learning9. Jason …. . Amanda since he was five years old. A has know B knows C have known10. They ……for three hours when they stopped for a rest. A have been driving B had been driving C were driving11. World War II broke …. . in 1939. A out B up C down12. The River Amazon … into the Atlantic Ocean. A is flowing B flows C flowed13. Dad …. To work by the time I woke up. A is going B has already gone C had already gone14. My cousin works … a law firm. A to B on C for15. Fay … every day for the last sis months. A exercises B is exercising C has been exercising16. They often…. on holiday abroad when they were single. A went B go C have gone17. It’s hard to concentrate …. your work when there is a lot of noise. A in B on C to18. They ……in that house for five years. A have lived B are living C live19. Mary …. to Singapore at 3:00 tomorrow morning. A files B was flying C is flying