摘要：26．-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
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---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 |
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---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 |