seventeen,eighteen,nineteen,twenty外研版新标准英语四年级上册外研版新标准英语四年级上册eleventwelvethirteenfourteenfifteen5+64+82+117+73+128+8=10+7=9+9=9+10=15+5=eleven twelvethirteen fourteenfifteen sixteenseventeen eighteennineteen twentya dogHow many do you have?dogsHow many dogs do you have?I havetwenty.a catHow many do you have?catsI have seventeen.How many do you have?flowersI have nineteen.