问题描述：
| –Volunteering is becoming popular in China. --Yeah, people are now aware that helping others is helping themselves
|
考点提示：副词,副词的比较级,疑问副词,连接副词
最佳答案： | D |
| 略 |
–Volunteering is becoming popular in China.--Yeah, people are now aware that helping others is helpi
–Volunteering is becoming popular in China.--Yeah, people are now aware that helping others is helpi
最佳答案： 