However, without access to specific publications or databases that host these materials, I can only provide a general guide on what you might expect to find in a workbook like Oxford Discover Workbook 5, particularly for Unit 2.
It seems you're looking for the answer key to Unit 2 of the Oxford Discover Workbook 5. Oxford Discover is a series of textbooks designed for young learners, focusing on general English with an emphasis on promoting critical thinking and 21st-century skills.
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