1) One of the first coronavirus vaccines (А1) ... in 2020. a) made b) was made c) has made d) is made e) was making 2) The UK and other countries ordered doses of the vaccine for more than 20 million people, and England’s Chief Medical Officer, Chris Whitty, said: “ I hope this vaccine (A2) ... a reason for optimism next year”. a) will be become b) becomes c) will become d) is becoming e) would become 3) The vaccine, which (A3) ... into a person’s body, contains the part of the genetic code of the virus. This part of the code helps to make antigens that trigger a response in the body to protect itself. a) injects b) injected c) has injected d) is injected e) had been injected 4) If a person who has been vaccinated (A4)... into contact with the virus, they have a defense system to fight it. a) comes b) has come c) came d) is coming e) was came

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