问题描述：
| Many of them turned a deaf ear to his advice, even though they knew it to be _____. |
| [ ] |
| A. valuable B. reliable C. flexible D. acceptable |
考点提示：形容词
最佳答案： | A |
Many of them turned a deaf ear to his advice, even though they knew it to be _____.[ ]A. valuable B.
Many of them turned a deaf ear to his advice, even though they knew it to be _____.[ ]A. valuable B.
最佳答案： 