---Hurry, John!---Oh, damn! Both my legs are nearly to give out. I ____for hours
题型：不详难度：来源：
---Hurry, John!
---Oh, damn! Both my legs are nearly to give out. I ____for hours.| A．had walked | B．walked | C．have been walking | D．am walking |
|
答案
| C |
解析
| 考察时态。根据for hours和my legs are nearly to give out可知我已经连续步行好几个小时了，故使用现在完成进行时，故C正确。句意“我的双腿几乎走不动了，我已经连续步行好几个小时了。 |
举一反三
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