Lesson 3 How many pupils are there？ 课件(共22张PPT)

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• 资料版本：科普版
• 适用地区：全国
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资料简介

(共22张PPT)
Lesson 3
How many pupils are there
科学普及出版社五年级 下册
drop
paper
a piece of paper 一张纸
dirty
clean 干净的
useful
should
should not = shouldn't 不应该
后面接动词原形
throw
throw away扔掉
pick
pick up 捡起
Some people ________ things everywhere. They drop ________ in the streets. They drop ________ in the parks....