Countable and Uncountable Nouns

1. https://agendaweb.org/exercises/grammar/countable-uncountable/test-1 2. https://agendaweb.org/exercises/grammar/countable-uncountable/test-2 3. https://www.english-room.com/grammar/countable_uncountable.htm 4. https://www.perfect-english-grammar.com/nouns-countable-and-uncountable-exercise-1.html 5. https://www.englishclub.com/ref/Nouns_that_are_Count_and_Noncount/Quiz_1/