Choose the correct variant to each gap from the list.

Since she ... from college, Joanna ... on three different continents: North America, South America, and Antarctica. In college, she ... marine biology and her first job was in a research laboratory on Catalina Island, off the coast of California. While she ... there, she was able to dive and explore the marine life every day. After she ... there for two years, Joanna ... a research team that went to the Galapagos Islands to study the Galapagos penguin populations. That eventually led her to Anvers Island in Antarctica, where for the last three months she ...
Chin-strap penguin colonies near Palmer Station.