我覺得應(yīng)該是用
she has heard singing just now
或
she has heard someone singing a song just now
至于yesterday morning
還是應(yīng)該用heard singing
she was heard singing song just now
she was heard singing song just now
如果有確定的時(shí)間,如yesterday morning 是用heard to sing 還是heard singing
如果有確定的時(shí)間,如yesterday morning 是用heard to sing 還是heard singing
英語人氣：772 ℃時(shí)間：2019-11-16 15:01:10
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