一 根据首字母或中文提示,在空格处填入一个恰当的单词,并注意形式。 1. most vegetables and fruit are p________ food, which helps the body fight diseases. 2. he has been working for a long time, but he is still full of e_____________. 3. when she found some old photos in a small box, li mei s______ for her lost youth. 4. in order to stay s____________, she eats very little every day. 5. many shops and restaurants will give you some (折