He is as a leader but he hasn’t in teaching.A. success; many experiencesB. a success; much experienceC. great success; an experienceD. a great success; a lot of experiences
网友回答
抽象名词具体化，表示具有某种特征的人或事物，可用作可数名词。如：She is a success in business but a failure in marriage (她在事业上是个成功者，但在婚姻上是个失败者)；experience作为“经验”解，为不可数名词。