问题描述：
| — Are you sure you are______? — Yes. I've been preparing for it all these days. |
| [ ] |
| A. certain B. calm C. strong enough D. ready |
考点提示：形容词
最佳答案： | D |
— Are you sure you are______?— Yes. I've been preparing for it all these days.[ ]A. certain
— Are you sure you are______?— Yes. I've been preparing for it all these days.[ ]A. certain B.
最佳答案： 