摘要: - Have you handed in your papers? -Yes, we have. I guess they now. A. have corrected B. are corrected C. are being corrected D. are correcting
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— Have you handed in your papers?
—Yes, we have. I guess they ___________ now.
A. have corrected B. are corrected C. are being corrected D. are correcting
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— Have you handed in your papers?
—Yes, we have. I guess they ___________ now.
| A.have corrected | B.are corrected | C.are being corrected | D.are correcting |