land the passenger safe?

the boat come safe to land中safe 应该是形容词呀?为什么跟副词一样修饰动词? an area of water nest to the land,the ship inside it is safe the question is --- to land on the grassland A.if it is safe take advantage of the passenger's position Which is TRUE according to the passenger? on the land还是in the land? farm the land relief of the land work the land翻译 Since the land of land of the midnight The plane crashed in the South Pacific,____all the passenger