D
前邊問正在干什么,后邊回答就是正在,所以用ing
what’s your father doing now?he()the room a.cleaned b.cleans c.has cleaned d.is cleaning
what’s your father doing now?he()the room a.cleaned b.cleans c.has cleaned d.is cleaning
英語人氣：674 ℃時間：2020-05-02 15:47:46
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