Answer:
<h2>Synonyms:</h2>
Synonyms are words that are similar, or have a related meaning, to another word.
<h2>Antonyms:</h2>
Antonyms are words that have an opposite meaning to an another word.
<h3>The sentence which uses a pair of synonyms are:</h3>
Because there was so much shouting, many of the protestors began screaming in order to be heard.
Shouting and Screaming are synonyms.
In the other sentences, pairs of antonyms were used.
Second sentence: Tired × Energetic
Third sentence: Healthy × Sick
Fourth: Excited × Peaceful
Hope this helps you...
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