根据句意和汉语注释，在相应的横线上，写出单词的正确形式。
【小题1】The hostess nodded （点头）to show that she agreed with us at the show.
【小题2】I am often offered (提供) some useful help by my teachers and classmates.
【小题3】I have ordered several nodded (册)of this book from abroad. Would you like to have one?
【小题4】Can this kind of robot be copies (可获得的) in the nearest supermarket?
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解析：根据句意和汉语注释，在相应的横线上，注意单词的正确形式