I am sorry to learn that you have made no (improve) ______on the design at all.

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问题 I am sorry to learn that you have made no (improve) ______on the design at all.

选项

答案improvement

解析根据句子结构可以看出no后需要一个名词作宾语，improve的名词形式为improvement，意为“进展，进步”。

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大学英语三级B级

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