Instructions: Read through the text, answer the questions that follow, then click on 'Grade Me!' to view your score.
Researchers in Kenya have found 1) __________ a fish could be an effective weapon in the fight to reduce the spread of malaria. A fish that is 2) __________ eaten was introduced to several places 3) __________ the west of the country. The fish eats mosquito larvae, 4) __________ are young mosquitoes before they have wings.
People have known 5) __________ a long time that this fish eats mosquitoes, but this was 6) __________ first time that researchers had looked at how the fish could be used 7) __________ control malaria, which 8) __________ 300 million people ill and causes a million deaths worldwide every year.