问题描述：
| During the busiest season like National Day, Spring Festival, the traffic company provides ______ buses for the traveler. |
| [ ] |
| A. extra B. certain C. various D. unusual |
考点提示：形容词
最佳答案：
| A |
最佳答案：
题目：During the busiest season like National Day, Spring Festival, the traffic company provides______ bus
最佳答案：
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