I spent a very _________ hour in the library. 📅 发布于 2022-01-24 📚 电子商务英语 📖 约 1 分钟学习 🔍+ 🔍- ↺ 📋 ⬆️ 题目类型： 单选题 题目内容 I spent a very _________ hour in the library. 题目选项 A. productive ✓ B. creative C. predictive D. profitable 正确答案 A