China'ssportsstarsYaoMingandLiuXiangGoodwillAmbassadors（亲善大使）forShanghai.[]A．hasbeennamedB．havebeennamedC．hasnameD．havenamed

Question

China's sports stars Yao Ming and Liu Xiang ________ Goodwill Ambassadors （亲善大使） for Shanghai.

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A ． has been named	B ． have been named
C ． has name	D ． have named

Answer 1

答案：B解析： 现在完成时的被动语态的构成为“助动词have/has+been+及物动词的过去分词”。又由题意“中国的体育明星姚明和刘翔已被任命为上海的亲善大使”可知选B。