题目

（08年永定一中二模理）的值为（   ）. A．             B．             C．1            D． 答案：答案：A33．It was the first time that Mike______the piano at the concert hall and he hoped that his nervousness would go      ．A．played；unnoticedB．had played；unnoticedC．played；unnoticingD．had played；unnoticing