【題目】Mistakes are ________ sometimes. We learn a lot from them. (value)

【答案】valuable

【解析】

句意:錯誤有時是寶貴的。我們可以從中學(xué)到很多。

value名詞,翻譯為“價值”。分析句子可知,此處用于句中作表語,翻譯為“寶貴的”,所以用其形容詞形式。故填valuable。

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