Countable and Uncountable?

Multiple-choice exercise

ELT Concourse: learners' index
Choose the correct answer for each question.

'Countable' and 'Uncountable' Words

'house' is a countable word.
In the dictionary, you will see [C] after it, because it is 'Countable'.
You can say 'a house' (singular) or 'some houses' (plural)

'sauce' or 'tomato sauce' is usually an 'uncountable' word.
In the dictionary, you will see [U] after it, because it is 'Uncountable'
You can say 'some tomato sauce'.

Choose the right word: 'a', 'an', 'some' or 'any'