根据句意及首字母提示补全单词。 1. Kate's mother has gone a_______. She is in New York now. 2. Can you d_______ what is surfing and water-skiing in English? 3. In the past, my grandparents couldn't a_______ education for my father. 4. Keep working hard, and you will s_______ some day. 5. I'm very happy, because I live in a p_______ world, where there is no war.