摘要：( ) -I’m so sorry that you didn’t win the skating marathon. -How long you ? -I skated for 5 hours. A. have, been skating B. were, skating C. have you skated D. did, skate
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－I'm so sorry that you didn't win the skating marathon.
－How long _____ you ______?
－I skated for 5 hours.
| A．have, been skating | B．were, skating |
| C．have you skated | D．did, skate |