onetwothreefourfivesix第1页seven eight nineten eleven 11 twelve 12第2页 sixteen 16 fifteen 15 fourteen 14thirteen 13第3页 seventeen 17 eighteen 18nineteen 19 twenty 20第4页How many rabbits are there?7第5页How many ducks are there?9第6页How many boys are there?12第7页How many bikes are there?18第8页8How many _ _ _?jackets arethere第9页How many _ _ _?20pencils arethere第10页11How many _ _ _?horses arethere第11页12How many _ _ _?tortoises arethere第12页13How many _ _ _?cars arethere第13页15How many _ _ _?ants arethere第14页11How many _ _ _?cows arethere第15页