题目内容
3．The painter was busymixing （调配，混合）his colours．分析 画家在忙着调颜色．
解答 答案：mixing 考查翻译填空．根据句意及句子结构，要填入一个动词，mix意为"调配，混合"，be busy （in） doing sth．意为"忙于做某事"，故mix要用其动名词形式，即mixing．故正确答案是：mixing．
点评 考查翻译填空，准确地理解句子，翻译句子，然后根据句意及提示确定所填单词词性，正确写出单词完成句子，使句意更通顺．
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