Word Pairs


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The words
[In / On] a year that has [large / largely] been full of bad and tragic news because of COVID-19, there is [finally / final] some good news. Scientists have announced a breakthrough [in / on] the fight against the virus. The scientists are from the U.S. drug company Pfizer and the German pharmaceutical company BioNTech. Their researchers [saying / say] they have developed a vaccine that has a 90 per cent [succeed / success] rate in protecting against COVID-19. The researchers also say the vaccine does not cause [seriously / serious] side effects. Dr. Anthony Fauci, [body / head] of the USA's National Institute of Allergy and Infectious Diseases, said the vaccine [was / be] positive news. He said: "The [results / result] are really quite good, I mean extraordinary."

Health [experts / expects] say it will be months before the vaccine is widely available [for / from] people to take. It needs to be stored [of / at] temperatures of -80º Celsius. However, Pfizer CEO Dr. Albert Bourla was [beat / upbeat] about his company's achievement. He said: "Today is a great day for science and [human / humanity] ....We are reaching this [critically / critical] milestone in our vaccine development program at a time when the world needs it [most / much] ." He added: "Infection rates are setting new records, hospitals are nearing over-capacity [and / to] economies are struggling to reopen. With today's news, we are a significant step closer [of / to] providing people around the world with a much-needed breakthrough to help bring an end to this global health [crises / crisis] ."

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