注释中重点短语与固定搭配的积累 — 英语填空题

根据本课注释中的重点短语，用其适当形式补全句子（每空一词）。1. My grandmother is ill, so my mother has to stay at home to look ___ her. 2. It's raining hard outside; we must put ___ the sports meeting until next Friday. 3. Don't laugh ___ others when they are in trouble. Instead, give them a hand.