I gave him a book.him为间宾；a book 为直宾；这叫动词+双宾语.We elected him monitor.him为宾语；monitor 为宾补；这叫动词+宾语+宾补.如果你分不清楚,有一个小办法：在动词后面的两个名词之间加be动词；逻辑上说...