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Key vocabulary words with IPA pronunciation, definitions, example sentences, and interactive quizzes.
Phrases with type tags, bilingual definitions, usage notes, and example sentences.
The specific time when a professor is in their office to meet with students.
To proceed or start doing something, often after getting permission.
To submit something, such as homework or a report.
A polite way to invite someone to sit down.
An extra period of time allowed for a student to finish an assignment after the original deadline.