数字们在举办聚会。
20，30，40，50，
60，70，80和90.
它们都在欢快地跳舞。
你们班有多少学生？
有14个
14个
哦，抱歉！
有40个
哦，有这么多。
√
√
√
一、A:There are thirty boys in Lake School. B: There are forty boys in Park School.二、 A:There are forty girls in Lake School. B: There are fifty girls in Park School.三、 A:There are twenty computers in Lake School. B: There are thirty computers in Park School.
/au/
/iə/
peə
动物园有10只大狮子。
20只熊和1只袋鼠。
30只象排成排。
40只猴子上上下下。
我能看见50只老虎。
树上有60只鹦鹉。
70只猫和80只狗。
90只鸟和100只青蛙。
ten+two=
nine-four=
eleven+there=
seven+eight=
fourteen-five=
eleven-nine=
ten+eight=
four+seven=
fifteen-five=
fifteen-eight=
ninety-seventy=
eighty-forty=
How many……are there? 句型

How many 可数名词复数 are there?
How much 可数名词单数 is it?
twenty-five
twenty
fifteen