Answer :
Answer:
1) c. -est
2) a. a courtesy
Step-by-step explanation:
1) The words "greatest" and "smallest" give you a clue that superlative adjectives end in -est.
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2) Paying attention (attentiveness) is a discipline of behavior, not a description of English syntax or grammar. It is best when accompanied by an attitude of acceptance and a desire for understanding, rather than critical thinking.
Attentiveness is a courtesy.