Which verb or verb phrase signals an inappropriate shift in mood? Wouldn't this world be a better place if people stopped littering? Our parks and roadsides would be full of green grass, not plastic wrappers. People would use trash bins and teach their children to do the same. Helping to pick up litter makes your town more beautiful . It would be so nice to enjoy kayaking without garbage floating on the water. Every town should have a fine for littering. would be full B. Wouldn't C. litter D. Helping to pick