شرکت در آزمون آنلاین زبان انگلیسی 1 - زبان انگلیسی 1 | آزمون شماره 8975

Which of the following words is defined in the passage?

Scientists who are studying wildlife and attempting to find ways of taking care of the endangered animals have ………. found new species of plants in rainforest.

.A great many people are involved in .................... a newspaper