one two three four five six seven eight nine ten eleven twelve thirteenfourteenfifteensixteenseventeeneighteennineteentwentythirteen 十三fourteen十 四 fifteen十 五 sixteen 十 六 seventeen十七eighteen十八nineteen十九 13141516171819fourteenseventeenfifteensixteeneighteenthirteennineteencrayon蜡笔begin开始give out分发all right好floor地板Listen and answer.How many crayons did Ms Smart buy?There are nineteen.How many children in the class?There are twenty children.1.Listen and repeat.(three times)2.用How many faces can you see？There are nineteen.来小组问答。（其中红色字体的单词可以改变）分角色朗读课文。1、由小组内朗读。2.各小组比赛。
