Final answer:
Lemonade and Orange Juice cannot adjust sugar level, while Iced Coffee and Hot Chocolate can have their sugar levels adjusted by adding less sugar.
Step-by-step explanation:
Among the drinks listed, Lemonade and Orange Juice cannot adjust sugar level. Lemonade typically contains added sugar, and orange juice naturally contains sugar. Iced Coffee and Hot Chocolate can have their sugar levels adjusted by adding less sugar. For example, in 8 oz of coffee or tea, you can control the amount of sugar added to suit your preference.