Since I do not have access to the exact physical book you are using (publisher, author, or specific exercise numbers), I have drafted a that would be typical for a B2.1 (Intermediate/Upper-Intermediate) unit on “Wishes.” This essay can serve as an answer key model for writing tasks or open-ended questions in your workbook.
Below is the essay, followed by a explaining the grammatical structures used, which mirrors what you would find in a Workbook Answer Key section. Model Essay: The Power of an Unfulfilled Wish Topic (as seen in a B2.1 Workbook): “Write a short essay (120–150 words) answering the following question: If you could change one decision you made in the past, what would it be and why? Use 'I wish' and 'if only' structures.” Wishes Level B2.1 Workbook Students Book Answers
If only I had known how quickly time passes, I would have spent more evenings with my grandparents. Looking back, I wish I had not chosen to stay at home watching television so often. Instead of sitting alone, I wish I had visited them after school, even for just half an hour. Since I do not have access to the
I really wish my grandparents were still alive today. If only I could tell them one more time how much they meant to me. The biggest regret is that I wish I had asked my grandfather more questions about his childhood. Now, those stories are lost forever. Use 'I wish' and 'if only' structures
It sounds like you are looking for a structured essay based on a specific textbook topic: from a Level B2.1 Workbook or Students’ Book , likely including answers or an answer key.
What is the writer’s main regret? A1: Not spending more evenings with their grandparents.