动词不定式表目的 — 英语填空题
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. Jim saved money for a year to b________ his mother a birthday gift. 2. The doctors worked all night to s________ the sick child's life. 3. Lucy joined the volunteer club to h________ old people in the community.