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  • I () my brother when someone knocked at the door

    I () my brother when someone knocked at the door
    I () (telephone)my brother when someone knocked at the door
    英語人氣:152 ℃時(shí)間:2019-11-01 10:14:20
    優(yōu)質(zhì)解答
    I ( was telephoning )my brother when someone knocked at the door. 一定要用過去進(jìn)行時(shí),這是一個(gè)固定句型:sb. be doing sth. when ... 某人正在做某事,這時(shí)突然... 句意:我正在給哥哥打電話,這時(shí)突然有人敲門....
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