The USA is encouraging Americans to wear face masks.There has been a lot of talk about whether or not
face masks are effective in helping slow down the (25)______ of the COVID -19 coronavirus.The government
is set to encourage Americans to use homemade face covering like cloth masks, bandanas and scarves.At first,
the WHO and some health organizations recommended that people (26)______ were not sick didn’t need to
wear masks or cover their faces.(27)______, it is now proved that face masks can work effectively.They point to
countries like Singapore and South Korea, where people wear masks and reported infection (28)______ are
lower.
25. A. release B. widening C. lengthening D. spread
26. A. which B. where C. why D. who
27. A. Moreover B. Although C. However D. Because
28. A. rates B. levels C. percentages D. scales