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  • be heard doing /do 有具體時(shí)間用doing?

    be heard doing /do 有具體時(shí)間用doing?
    英語人氣:741 ℃時(shí)間:2020-03-20 15:36:50
    優(yōu)質(zhì)解答
    你好.一般說來,這由你的原始句決定:I heard him sing a new song (強(qiáng)調(diào)全過程)-------He was heard to sing a new song I heard him singing happily when I saw him (強(qiáng)調(diào)正在唱)------When seen, he was heard si...
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