问题描述：
After two days of long walk, his strength gave __.
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考点提示：副词,副词的比较级,疑问副词,连接副词
最佳答案： | B |
| 略 |
After two days of long walk, his strength gave __.A．offB．outC．unD．up
After two days of long walk, his strength gave __.A．offB．outC．unD．up
最佳答案： 最佳答案： 