定语从句关系代词与关系副词的用法 — 英语词汇题
题目
用适当的关系词完成句子，并根据首字母补全：1. This is the only room in the building w____ the air remains cool without a machine. 2. The student w____ project won the prize thanked her team. 3. We still remember the day w____ the two research groups first met.