His mother is ill.He-- --look after her at home(has to与must

学习 时间:2026-04-03 13:15:55 阅读:9708
His mother is ill.He__ __look after her at home(has to与must to二选一 )

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爱笑的大米

瘦瘦的钢笔

2026-04-03 13:15:55

has to 表示没有别的选择must 表命令或必要性 比如;He must finish his homework。

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