问题描述：
| — Mr. Smith was really helpful when you were in financial difficulty during those years. — Definitely. I can never appreciate his kindness ________.
|
考点提示：副词,副词的比较级,疑问副词,连接副词
最佳答案： | C |
| 略 |
— Mr. Smith was really helpful when you were in financial difficulty during those years.— Definitely
— Mr. Smith was really helpful when you were in financial difficulty during those years.— Definitely
最佳答案： 