WRONG! Give it to the cat. REASON: "Cat" is a singular countable noun and requires a definite article ("the") to specify which cat.

CORRECT! REASON: Titles used after verbs like "appointed" do not require an article.

CORRECT: Mountain ranges require the definite article. As do oceans, seas, gulfs, rivers, deserts, groups of islands, peninsulas, valleys, forests, regions...

WRONG! Life is complicated. REASON: "Life" is an uncountable noun used in a general sense, so no article is needed.

WRONG! Pollution is a major problem in cities. REASON: "Pollution" and "cities" are general concepts and do not require "the."

WRONG! She's very interested in nature. REASON: "Nature" is an uncountable noun used in a general sense, so no article is needed.

WRONG! We saw an elephant in the forest. REASON: "Forest" is specific (the one where the elephant was seen), so it needs "the."

CORRECT! REASON: 'the bus' does not mean 'one bus that you know about'; we use the to suggest that taking a bus is a common experience that we all share.

WRONG! He's the wrong man for me. REASON: "Wrong man" is specific (referring to a particular person), so it requires the definite article ("the").

WRONG! Granny's lost her keys again. REASON: Possessive pronouns (e.g., "her") replace articles, so "the" is unnecessary.

CORRECT! Proper nouns like university names typically do not require an article.

WRONG! It's not always easy to fit in with society. REASON: "Society" is an uncountable noun used in a general sense, so no article is needed.