Final answer:
To complete the sentence, the best word to use is 'O des cerises' which means 'some cherries' in English.
Step-by-step explanation:
To complete the sentence 'J'adore les fruits. Je veux manger', the most appropriate French word would be 'O des cerises'. This means 'some cherries' in English. Option 'O de l'ail' means 'some garlic', option 'O des fruits de mer' means 'some seafood', and option 'O de jambon' means 'some ham'.
Learn more about Completing French sentences