Unit2I’ll help to clean up the city parks.短语归纳Section Aclean up打扫干净cheer(sb)up使人振奋起来volunteer to do sth自愿做某事give out分发give away赠送give up放弃give in让步,屈服,投降give back归还give over停止help sb to do sth帮助某人做某事help sb with sth在某方面帮助某人sb need to do sth某人需要做某事sth need doing sth某物需要做某事make a plan制定计划plan to do sth计划做某事come up with想出,提出put off 推迟put off doing sth推迟做某事put up张贴搭建举起put down放下,镇压put into把…放进put out扑灭,熄灭put on穿上put away收拾整理放好put up with忍受write down写下记下call up打电话,召集an