根据句意及所给首字母提示填空,使句子意思通顺、完整。 1. There is a new book on the t _____ of the box. 2. On my 15th birthday,my father gives me a birthday g _____. 3. Lu Xun was an o_____ Chinese writer. 4. If you eat more vegetables and fruits, you'll keep f_____ . 5. Could I i _____ my friends to your party?