问题描述：
| There are _____ reasons for the great changes in the countryside. |
| [ ] |
| A. the number of B. a great many of C. a number of D. a number |
考点提示：形容词
最佳答案：
| C |
问题描述：
| There are _____ reasons for the great changes in the countryside. |
| [ ] |
| A. the number of B. a great many of C. a number of D. a number |
考点提示：形容词
| C |
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