Underline the correct form.
A Scientists a have recently identified / have been identifying a new species of animal in the rainforest of Borneo. They b have been searching / searched for this creature for several years, after reports from local villagers, and say it as a type of lemur.
B Archaeologists in Guatemala c have found / have been finding a Mayan wall painting which they thinks is more than 2,000 years old. Archaeologist William Saturno d explored / has been exploring the site since 2002.
C Scientists using the Hubble Space Telescope think they e found / have found two new moons circling the planet Pluto. Astronomers f have been looking / looked closely at Pluto since 1978 when they g spotted / have spotted its first moon. The telescope h worked / has been working for fifteen years, and I has been producing / has produced more than 700,000 images of the universe.
D Australian scientists j have been discovering / have discovered a new coral reef over 60 km long in the Gulf of Carpentaria by using satellites to spot the reefs in deep water. Recently divers k have managed / have been managing to reach the reefs and take photographs.
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