动词不定式表目的 — 英语词汇题
题目
根据句意及首字母提示补全单词（注意动词不定式 to + 动词原形表目的）：1. Mom got up early to p________ breakfast for us. 2. He works hard to s________ his sick mother with money. 3. We wear warm coats to k________ ourselves from the cold. 4. She opened the window to l________ in the fresh air.