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optional
UK
/ˈɒpʃənl/
US
/ˈɑːpʃənl/
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Explain the meaning of “optional” and how it differs from “not required.”
Compare “optional” with “voluntary” and “elective,” with examples.
Show common collocations with “optional,” such as “optional extra” and “optional course.”
Explain how to use “optional” in a sentence, including its position before a noun and after “be.”
Give me five B2-level example sentences with “optional” and their Russian translations.
Explain whether “optional” is commonly used as a noun, and give examples if appropriate.
Quiz me with three questions about the meaning and use of “optional.”
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