1．He was disappointed at the sight he saw in the famous place of interest, ________ never to come back again.
A．determining B．was determined
C．to determine D．determined
解析：考查非谓语动词。句意：他对在这个著名景点看到的景色很失望，决定再也不回来了。首先排除B项谓语动词形式，此处需要用非谓语形式。C项在此表目的不合句意。A项表决定的动作，D项是be determined to do sth.的省略。
答案：D
