根据括号内的汉语提示,写单词完成句子。 1. She _____( 寄) a postcard to her mother yesterday. 2. Here is a map of ______( 欧洲). 3. I often swam in the ______( 湖) near my house when I was young. 4. My grandpa lives in the ______( 农村). 5. Jerry couldn't stand city life and went back to _______( 大自然).