摘要：In general. the old man is generous. But . he was mean to an old beggar. A. at once B. once again C. for once D. once over
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22.In general， the old man is generous. But ____， he was mean to an old beggar.
A. at once B. once again C. for once D. once over
查看习题详情和答案>>In general， the old man is generous. But ____， he was mean to an old beggar.
A. at once B. once again C. for once D. once over
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22.In general， the old man is generous. But ____， he was mean to an old beggar.
| A．at once | B．once again | C．for once | D．once over |