用括号里所给词的适当形式填空。（5分）【小题1】We are worrying about his (ill).【小题2】I live on the (twelve ) flo

用括号里所给词的适当形式填空。（5分）
【小题1】We are worrying about his (ill).
【小题2】I live on the (twelve ) floor.
【小题3】Did you have fun (camp)?
【小题4】Our teacher often tells (interest) stories to the class.
【小题5】He plays football very (good ).illness

(答案→)illness 解析：【小题1】句意：我们正在担心他的疾病。此处有his来修饰，故用名词illness。【小题2】句意：我住在第十二层。位于定冠词the后，表述第几层，故用序数词twelfth。【小题3】句意：去野营你玩得开心吗？have fun doing sth. 做某事很开心，故此处为camping。【小题4】句意：我们的老师经常给全班的学生讲有趣的故事，修饰名词stories 用形容词interesting。【小题5】句意：他踢足球踢得非常好。修饰动词短语plays football，故用副词well。

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