单项选择题

Part II Vocabulary and Structure Directions: In this part, there are 10 incomplete senten

Part II Vocabulary and Structure Directions: In this part, there are 10 incomplete sentences. You are required to complete each one by deciding on the most appropriate word or words from the four choices marked A, B, C and D. Children should be allowed to _____ those few years of innocence before they have to learn the truth of the world.A.cherishB.nourishC.flourishD.polish