The correct answer is **a ... the ...the** (Option 3). **Comprehensive Derivation:** The correct answer is - "a ... the ...the" Explanation & Key Takeaways: • From the given options, the most appropriate answer is "a ... the ...the". • Definite Article "The" is used before things which are particular or specific plural nouns. • Example - The sun, The fort, etc. Neil Armstrong was the first man to walk on the moon. • Indefinite Article "A" & "An" uses before singular countable nouns. • Example - A person, A woman, An MLA, etc. • Here in the 1st blank - tremendous starts with consonant sound. • 2nd blank - satellite is specific here so it will take "the". • Sky is definite here so it will take "The". • Thus, Option 3 is correct option. **Option Elimination:** • **Option 1 (No article required ... the ... a)**: Incorrect distractor. • **Option 2 (the ... the ... the)**: Incorrect distractor. • **Option 3 (a ... the ...the)**: Correct Answer; accurate according to canonical reference. • **Option 4 (the ... a ... the)**: Incorrect distractor. **Exam Trap:** Be careful of misleading distractors and subtle terminology differences. Verify core properties before selecting your answer. **Memory Booster:** Core mnemonic rule: a ... the ...the corresponds to Option (3).