Unit 3 Could you please clean your room?

重点知识园地,重点单词1.fold v.折叠;对折Fold the card.折叠这张卡片。拓展unfold v.展开2.mess n.杂乱;不整洁The room was in a mess.这个房间杂乱不堪。“What a mess!”she said after the party.聚会后她说:“真是一片狼藉!”