They built a highway _______ the mountains.
A、leadintoD
leadinginto的逻辑主语是highway，它们之间是主动的关系，所以用动名词形式。句意：他们修建了一条通往山里的公路
Policeare________thedisappearanceoftwochildren.
我感谢陆登庭校长的邀请，使我有机会在这美好的金秋时节来到你们这座美国古老而又现代化的学府。（）
Idiomsnominalinnaturehavea(n)______asthekeywordineachandfunctionasanouninsentences.
_______isknowntoall，Chinawillbean_______powerfulcountryin20or30years’time.
Iparticularlywanttopaytribute,notonlytothosewhopreparedthemagnificentdinner,butalsotothosewhohaveprovidedthesplendidmusic.（）
