17. Babies are (sensitive) to sound than adult. a. sensitive b. sensitiver c. more sensitive d. most sensitive 18. His condition today is (bad) than yesterday. a. less b. worse c. badder d. more bad 19. This is the (delectable) meal I have ever tasted. a. most b. best C. more d. delectablest 20. The (many) number of covid-19 cases is recorded in Brazil. a. most b. much C. least d. manyest 21. Maria's package is (heavy). than mine. a. heavyer b. more heavier c. heavier d heaviest