Question

Let's buy... fresh fruit for dessert today​

Answer 1

Let's buy fresh fruit for dessert today.

В данном случае, тут не будет стоять никакой артикль.

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Можно лучший?

Answer 2

That sounds like a delicious and healthy idea! Fresh fruit makes for a wonderful dessert option. You can choose from a variety of fruits like strawberries, blueberries, watermelon, mangoes, or any of your favorites. Enjoy your fresh fruit dessert!