问题描述：
| Green products are becoming more and more popular because they are environmentally ______. |
| [ ] |
| A. friendly B. various C. common D. changeable |
考点提示：形容词
最佳答案： | A |
Green products are becoming more and more popular because they are environmentally ______. [ ]A. fri
Green products are becoming more and more popular because they are environmentally ______. [ ]A. fri
最佳答案： 