5. If we go on wasting water, we………………fresh water to use. A. don’t have B. won’t have C. didn’t have D. aren’t having 6. If I……..you, I would take part in the course. A. were B. be C. am D. will be 7. Peter ……………….in London for five years A. lives B. lived C. was living D. has lived 8. This cake …………………….by my father yesterday. A. made B. was made C. is made D. makes 9. English is considered as the…………………language in Australia. A. foreign B. national C. official D. second 10. The contamination of the bodies of water such as lakes, rivers and oceans is called……pollution. A. air B. thermal C. noise D. water 11. The people from Britain or the USA are called…………when speaking English. A. foreigners B. resident people C. native speakers D. mother tongue 12. A(n) …………is a huge wave that can destroy towns near the sea. A. flood B. earthquake C. volcano D. tsunami