--Doyouoftenhearthegirl________?--Yes,listen!She________now.A.sing;singin

发布时间：2020-08-04 19:33:34

--Do you often hear the girl________?--Yes, listen! She ________ now.A.sing; singingB.sing; is singingC.to sing; singingD.to sing; is singing

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B解析hear sb do／doing sth听见某人……。
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