教官葛洋揭阳基地照片:非谓语动词
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____his method,Tom was sure that he would succeed in his experiment.
A.Being improved B.Iproved
C.To be improved D.Having improved
谁知道答案啊?还有为什么选它 谢谢了
A.Being improved B.Iproved
C.To be improved D.Having improved
谁知道答案啊?还有为什么选它 谢谢了
答案是D.因为句子主语Tom和improve是主动关系,又因improve动作发生在主句谓语动词was sure之前,所以要用完成时。
D