Answer :
Final answer:
Explaining the use of 'although' in sentence combining, degree of comparison, plural form, and antonyms related to coffee.
Explanation:
Combining Sentences with 'Although': Although coffee is a popular drink, it is known to contain caffeine.
Degree of Comparison: Coffee is generally more expensive than tea.
Plural Form: The plural form of 'berry' is berries.
Antonym: An antonym for 'strong' could be weak.
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