分发 give out

在班级里  in the class

二十个孩子 twenty children

在地上 on the floor

二十一支蜡笔  twenty-one crayons

开始上课。 Class begins.

请把蜡笔分发一下。 please give out the crayons.

好的。 All right.

只有十九支蜡笔。 There are only nineteen crayons.

但是班里有二十个孩子！ But there are twenty children in the class!

昨天我买了二十支蜡笔。 I bought twenty crayons yesterday.

我丢了一支吗？ 不，你没有丢。 Did I lose one? No, you didn’t.

地上有一支！ There’s one on the floor!

现在有二十一支蜡笔了！ Now there are twenty-one crayons!

举办聚会have a party

正在举办聚会having a party

他们全部 all of them

快乐地跳舞 dance happily

正在快乐地跳舞dancing happily

在动物园里 at the zoo

成一排 in a row

到处 high and low.

在树上 in the tree

一百只青蛙 one hundred frogs

数字们在举办聚会。 Numbers are having a party.

它们都在欢快地跳舞。 All of them are dancing happily.

你们班有多少学生，玲玲？有十四个。 How many pupils are there in your class, Ling Ling? There are fourteen.

有那么多！ There are so many!

开展家庭调查。 Make a survey of families.

你家有几口人？有How many people are there in your family?There are.

there is=there’s+单数或者不可数

there are+复数。有，存在