3. Myanmar has been in chaos since the________ in February, with more than 1,300people killed in a c
4Flight________triggered by weather and coronavirus-related staffing shortageseased slightly Tuesday
6.Those experiments were a________ stone towards two of the most importantand profitable vaccines in
7.Producing food generates so much greenbouse-gas pollution that at thecurrcnt rate, even if nations
9. Sci-Hub, the popular website that offets access to milions of pirated researchpapers and books, i
10. Duting the twentieth century, our knowledge of the past was________ by theintroduction of tadioc
11. A________ of covid-19 cases in China prompts a citywide lockdown.(A) cluster (B) few (C) team (D
14. Chile rewrites its constitution,________climate change head on.(A) confrontation (B) confronts(C
16. If it________ easy to care for eldetly people with significant health, memory andbehavior proble
17. As allegations piled up against President Donald J. Trump with no apparentconsequences, many pol
18. Putin has amassed__________ 175,000 troops and a formidable atsenal of combatbardwate in the ate
19. Leftist media outlets such as MSNBC spent 2020 treating COVID like it waseasily fxable –________
20. Enrly__________ , human embtyos form a structure called the blastocyst.(A) in developing (B) dev