1) A lot of money..................................to find the vaccine against COVID-19. a) is collected b) has been collected c) have been collected 2) Airbnb properties during the pandemic ................ by Airbnb hosts to get rid of their rentals. a) might sell b) might sold c) might be sold 3) As the pandemic has stretched on, Airbnb's business model ...................... into question. a) has been thrown b) was thrown c) had been thrown 4) That what used to be jungles in Borneo ................................... with palm plantations almost two decades ago. a) are being substituted b) were substituted c) were being substituted 5) The territory of the jungles which amounts to one football pitch ................... a new farming land every sinle minute. a) is being turned into b) is turned into c) has been turned into

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