問題詳情：
根據句意及首字母提示填寫單詞。
1. She said she sent me a letter last week, but I haven't r________ it.
2. The p________ of the meeting is to choose a new president.
3. The work must be finished within a two-week p________.
4. The map may help you find the p________ of the train station quickly.
5. The boy is too excited to e________ himself well.
【回答】
1. received 2. purpose 3. period 4. position 5. express
知識點：單詞拼寫
題型：完成句子
