来自郭纯洁的问题
含有must的反义疑问句didhehashe含有must的反义疑问句中didhe和hashe怎么区分eg：Hemusthavelivedherefor10years,___heHemusthavefinishedtheworkyesterday,____he为神马第一句用hasn't第二句用didn't?
含有must的反义疑问句didhehashe
含有must的反义疑问句中didhe和hashe怎么区分eg：Hemusthavelivedherefor10years,___he
Hemusthavefinishedtheworkyesterday,____he为神马第一句用hasn't第二句用didn't?
