Are you currently for the FCE exam, or would you like a practice exercise based on this B2 level?
His mind went blank. Was it "I wish I went"? No, that’s present. "I wish I had gone"? He closed his eyes, visualizing the grammar charts from his well-worn B2 handbook. Past regret... third conditional logic... "I wish I had gone," he muttered, the lead of his pencil scratching firmly against the paper.
He didn't know his results yet, but for the first time, the "First Certificate" didn't feel like a hurdle. It felt like a key.