Question 41. In future cities, it is necessary that solar panels on rooftops power skyscrapers. SHOULD Question 42. It's not good for you to live in this mega city because it is noisy and polluted. SHOULDN'T Question 43. A lack of housing affordability, started in 2020, made people move from the city. SINCE Question 44. For the past decades, new advancements in technology have widened the gap between children and adults. A FEW DECADES AGO Question 45. Many people have exercised less since the pandemic began. STARTED

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