2. 外语
  3. The commercial purpose of a trade mark is ______ the goods or services of a company from those of competitors.

The commercial purpose of a trade mark is ______ the goods or services of a company from those of competitors.

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问题 The commercial purpose of a trade mark is ______ the goods or services of a company from those of competitors.
选项 A、to distinguish
B、having distinguished
C、distinguishing
D、being distinguished
答案A
解析
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