1: uncountable noun
2. Healthy food
3: How much (countable) how much (uncountable)
A lot, a lot
5: Have breakfast.
6: French fries
Supplementary question:
1. Liz likes eggs, oranges and bananas for breakfast.
2. Does Lucy like chicken? No, she didn't.
3. They like French fries.
Tom likes ice cream as dessert.
In other words:
1. Do you like playing football?
She doesn't like vegetables.
These are tomatoes and those are strawberries.