
61.greatly考查词形转换。此处用所给形容词的副词修饰动词promote。
62.to build考查非谓语动词。此处考查“It took some time to do sth'”,意为“花费一段时间做某事”st为形式主语真正的主语为tobuild the bridge between Nantong and Zhangiiagang.
63 were used考查动词的时态和语态。根据时间状语then可知,该动作发生在过去故用所给动词的一般过去式又因为主语Many new technologies与动词ase是被动关系,故此处用所给动词的一般过去时的被动语态