题海让大学四年没有难题
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题目详情

单选题 The commission paid to an advertising agency is usually

A. 1%-5% of the cost of the ads

B. 10%-20% of the cost of the ads

C. 25%-30% of the cost of the ads

D. Over 50% of the cost of the ads

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时间:2026-05-17 16:29:47

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