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English as a Second Language (ESL)
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Vocabulary and Grammar
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Edad 9-10
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level: 6 grade
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English
Author's Instructions
middle age, period of human adulthood that immediately precedes the onset of old age. Though the age period that defines middle age is somewhat arbitrary, differing greatly from person to person, it is generally defined as being between the ages of 40 and 60.
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English as a Second Language (ESL)
-
Vocabulary and Grammar
-
Edad 9-10
-
level: 6 grade
-
English
Author's Instructions
middle age, period of human adulthood that immediately precedes the onset of old age. Though the age period that defines middle age is somewhat arbitrary, differing greatly from person to person, it is generally defined as being between the ages of 40 and 60.