IV. Choose the word or phrase among A, B, C or D that best fits the blank space in the following passage.
Building roads with waste coffee
Used coffee grounds, which are left in coffee machines after cups of coffee have been made, are already recycled in a variety of ways. Now a team of scientists have discovered that they can also be (1) ____________ to good use as a material for building roads.
Coffee lover and professor of geotechnical engineering Arul Arulrajah (2) ____________ the idea of using them in this way after observing workers at his favourite coffee shops in Melbourne, Australia, (3) ____________ throwing away used coffee grounds. He then (4) ____________ several experiments to find something suitable to mix with the coffee grounds to (5) ____________ the base layer under a road's (6) ____________ .
According to Professor Arulrajah's estimates, the 150 kg of coffee grounds the team (7) ____________ from Melbourne's coffee houses every week could create enough material to build about five kilometres of road per year. This would (8) ____________ to a reduction in the amount of organic and industrial waste that ends up in the city's landfills.
| 1 | A. made | B. put | C. given | D. got |
| 2 | A. considered | B. regarded | C. acknowledged | D. realised |
| 3 | A. carelessly | B. forgetfully | C. neglectfully | D. insensitively |
| 4 | A. guided | B. directed | C. controlled | D. conducted |
| 5 | A. compose | B. position | C. install | D. form |
| 6 | A. ground | B. covering | C. surface | D. exterior |
| 7 | A. collects | B. keeps | C. saves | D. stores |
| 8 | A. bring | B. come | C. lead | D. arrive |
