1. Unless you___________ all of my questions, I can’t do anything to help you. A. answered B. answer C. would answer D. are answering 2. If I didn’t work for an accounting firm, I_____________in a bank now. A. work B. will work C. have worked D. would work 3. The death rate would decrease if hygienic conditions __________ improved. A. was B. is C. were D. had been 4. If she _____________ him, she would be very happy. A. would meet B. will meet C. met D. should meet 5. If I had enough money, I __________ abroad to improve my English. A. will go B. would go C. went D. should have go to 6. The bench would collapse if they ___________on it. A. stood B. stand C. standing D. stands 7. The polluted chemical waste was dumped into the ocean;_____________, the mass of fish died. A. because B. as C. because of D. consequently 8. It was guessed that the fish died _________a powerful toxin in the sea water. A. because of B. because C. since D. as a result 9. Many species in BC are threatened _______logging. A. so B. because C. since D. due to 10. Smoking can____________heart disease. A. lead to B. create C. causes D. due to 11. English is___________of Australia and Singapore. A.native language B.both A and C C.official language D.second language 12. Australia has the biggest ___________ in the world. A.natural beauty B.puzzling games C.cattle station D.tallest building 13. The babies ________________ when Alice came. A.has slept B.have slept C.is sleeping D.were sleeping 14. The facsimile ____________ by Alexander Bain in 1843. A. is invented B. was invented C. invented D. has been invented 15. In some areas, human__________can be a contributing factor in causing landslide. A.acts B.actions C.acting D.activities 16. The Pacific Ring of Fire is an area of frequent and volcanic _______________, encircling the basin of the Pacific Ocean. A.floods – eruptions B.earthquake – flood C.flood - eruption D.earthquakes - eruptions 17. When a volcano____________, hot gases and lava run down. A.blows B. erupts C. throws D.escapes 18. After the earthquake struck the city, rescuers searched for____________. A.survivors B.survivals C.surviving D.survived 19. A powerful ____________ off the coast of Indonesia sparked a three-metre-high and killed at least 113 people. A. earthquake B. tornado C. tsunami D. landslide 20. _____________ could possibly be avoided by better construction, safety systems, early warning and planning. A.Earthquakes B.mudslide C.droughts D.forest fire 1. I (just/ realize) _______ that there are only four weeks to the end of them. 2. Look! The sun (rise) ______ over the ocean. This is the most amazing scene I (ever/ see) ______________. (2 answers separated by , example: is,are) 3. Jean always (learn) __________ English at this time every day but today she (not study) _______ at the moment. (2 answers separated by , example: is,are) 4. The ferry (leave)_________ at 9.00 from Dover and (land)_________ at 10.45 in Calais. (2 answers separated by , example: is,are) 5. My parents (celebrate)____________ their wedding anniversary next Sunday. They (go)_________ to Paris. (2 answers separated by , example: is,are) 6. When I (get up) __________ this morning, my father (leave) __________. (2 answers separated by , example: is,are) 7. After the children (finish) __________ their homework, they (go) __________ to bed. (2 answers separated by , example: is,are) 8. I (do) __________ it before he (come) __________. (2 answers separated by , example: is,are) 9. I (meet) __________ them after they (divorce) __________ each other. (2 answers separated by , example: is,are) 10. When I (come) __________ there, they (leave) __________. (2 answers separated by , example: is,are) 5. Nuclear explosions and detonations of nuclear weapons cause radioactive pollution. (lead to) Nuclear explosions and detonations of nuclear weapons lead to be radioactive pollution. Lead to nuclear explosions and detonations of nuclear weapons radioactive pollution. Nuclear explosions and detonations of nuclear weapons lead to radioactive pollution. Lead to nuclear explosions and detonations of nuclear weapons cause radioactive pollution. 6. The fish and other aquatic animals have died. The water is polluted. (due to) The fish and other aquatic animals have died due to the polluted water. The fish and other aquatic animals have died due to the water is polluted. The fish and other aquatic animals have died due to the water polluted. The fish and other aquatic animals have died due to is the water polluted.