Unit 7 I’ll help clean up the city parks. welcome to our class clean up give out /hand out put off think up take after fix up=repair set up put up ask for cheer up homeless sign advertisement coach clean up cheer up give out put off set up think up take after fix up give away put up ask for 使。。。振奋 想出 外貌性格与某人相似 修理 张贴 分发 要求 分发，赠送 把。。。打扫干净 建立，创建 推迟，拖延 1. What can you see in these pictures? 2. Do you want to be a volunteer ? Yes, we have heard of many good deeds done by volunteers all over the country. They are great. They give people help without hope of reward. There are some people who need help.