6. The World Health Organization (WHO) everyone to keep at least 1-meter distance from other people and to refrain from touching surfaces with bare hands since the COVID-19 arose. What verb in perfect progressive aspect must be used to complete the sentence? a. had been reminding c. have been reminding b. has been reminding d. have been reminded 7. John_be going to learn his lesson at home instead of going to school to protect him from acquiring the COVID-19. What is the correct modal to be used in sentence? a. shall c. might d. would b. may 8. In the sentence, "Rica have to observe one-meter social distancing when going to but food in the market." What is the correct modal to complete the sentence? a. Can b. May C. must d. will 9. Michael and Jane have cleaned their hands by washing it properly with soap and running water for 20 seconds before they eat their food. What is the tense of the underlined verb? a. Past perfect tense c. Present progressive tense b. Present perfect tense d. Future perfect tense 10. Washing your hands with soap and water using alcohol-based hand rub kill viruses that may be on your hands. What is the correct conjunction in the sentence? a. and b. but C. yet d. or
