谈论个人目标与努力 — 英语词汇题
题目
根据句意及首字母提示补全单词，使短文完整（谈论个人目标与努力）。
Tom's d_____ is to be a good runner. His team will have a race next month, so he t_____ hard every morning. Sometimes he feels tired, but he never gives up. He b_____ that hard work will help him reach his goal one day.