问题描述：
| It is important to keep _____ when you are in danger. |
| [ ] |
| A. quiet B. calm C. silent D. still |
考点提示：形容词
最佳答案： | B |
It is important to keep _____ when you are in danger. [ ]A. quietB. calm C. silentD. still
It is important to keep _____ when you are in danger. [ ]A. quietB. calm C. silentD. still
最佳答案： 