一般过去时叙述人物经历 — 英语词汇题
题目
根据首字母及中文提示补全单词，使其符合句意。1. Zhang Guimei d____（决定）to help girls in poor areas and started a free school. 2. Yuan Longping d____（研发）new kinds of rice in his life. 3. Helen Keller never gave up and a____（实现）her dream at last. 4. Tu Youyou won a big p____（奖，奖品）for her discovery.