There are a couple of key changes that deserve ____ 📅 发布于 2021-05-22 📚 英语语法 📖 约 1 分钟学习 🔍+ 🔍- ↺ 📋 ⬆️ 题目类型： 单选题 题目内容 There are a couple of key changes that deserve ____ 题目选项 A. mentioning ✓ B. to mention C. mentioned D. being mentioned 正确答案 A