Countable/uncountable nouns

There is____juice in the carton.

How_____sugar do you need?

There aren`t _____apples left.

Would you like_____more water?

Are there____mushrooms in the basket?

Can I have_____biscuits, please?

There is ______orange in the bag.

How______flour____there in the omelette?

I haven`t got any onions.