SAT
Unit 8 Review of Perfect Tenses1. The salesperson _______________________ (assure) the couple that if they _______________ (buy) the new furnace, it ___________(be) guaranteed for 15 years.2. The wildfire __________ already ____________________ (burn) 1,000 acres of forest before the firefighters _____________________(can) put out the fire.3. Carlos ____________________________ (live) in Manitoba for 2 years before he ____________________ (move) south to Hamilton.4. Vanessa __________________________(work) at the Vietnamese restaurant since she ________________ (be) a student in EAP Level 2.5. Samir __________________ (attend) a Formula 1 race in Bahrain when he _______________ (live) in the region. 6. Hayaam _______________________ (arrive) late for the meeting because she _____________________ (miss) her regular GO train. 7. Cee __________________ (meet) Vanessa when he ____________________(start) to work at Pho Binh Minh restaurant, but he _________________________________(not realize) she was his classmate for 2 weeks.8. The companys profits ______________________ (decline) for 2 years before it __________________________________________ (decide) to replace the president.9. Even though Fatimah and Jessica __________________________ (live) in the same building for 2 years, they never _______________(meet) each other until they _________________ (join) the painting class at the community centre.10. Abdul _____________________________ (be employed) at the company for 20 years, when they ____________________ (promote) him to manager.11. Even though Celma _____________________________ (enjoy) living in Italy for more than 10 years, she and her husband ________________________ (decide) to move to Canada 4 years ago. 12. Sylvia _____________________ (be) a student in the LINC ESL classes for 2 months, when her teacher ___________________ (suggest) she join the EAP program. 13. Havel _________________________(enjoy) hiking in the mountains near his home town, but he ____________________(worry) about encountering a bear while hiking.14. Khitam usually _______________(give) Jessica a ride home after class, but one day she ____________________________(drive) over a cat, so Jessica ____________________ (stop) driving with her. 15. Paloma _______________________(be) a lawyer for 2 years before she _______________(have) to present a case before a judge in court.16. Her grandparent ________________________________(be married) for over 50 years, when her grandfather ____________________(fall) one day on some ice and _____________(die) because of his head injury. 17. Needa _______________________(live) in Canada for 3 years when she __________________(decide) to return to Palestine. 18. Although the company ____________________________________________(assure) my friends that their house would be built on time, it _______________________ (take) 8 months longer tan promised.
The following data,11,16,10,30,24,5,6,12,11,45,9,8,3,4,35,31,represents thenumber of days spent by COVID 19 patients admitted at theIntensive Care Unit of the University of Ghana MedicalCentre. Find1. the mean2. range3. interquartile range4. variance and standard deviation5. the coefficient of variation.6. Comment on your results