问题描述：
| It is ____ asking Tom for help, for he is always the last to help others. |
[ ] |
| A. useful B. helpless C. helpful D. useless |
考点提示：形容词
最佳答案： | D |
It is ____ asking Tom for help, for he is always the last to help others. [ ]A. useful B. helpless C
It is ____ asking Tom for help, for he is always the last to help others. [ ]A. useful B. helpless C
最佳答案： 