一、根据句意和所给提示，写出句中所缺单词
1.That man made a （记号） on one side of the boat.
2.Not everyone can live on the （岛）alone like Robinson
Crusoe.
3.The man was so greedy that he died when he wanted to get more （珠宝）.
4.English， Chinese and （法语） are important working
languages of the UN.（宿迁）
