1、本网站免费注册后即可以下载，点击开通VIP会员可无限免费下载！
2、资料一般为word或PPT文档。建议使用IE9以上浏览器或360、谷歌、火狐浏览器浏览本站。
3、有任何下载问题，请联系微信客服。
扫描下方二维码，添加微信客服
Yes,it is.
干净的，整洁的
The ＿＿＿ is clean.
The ＿＿＿ is clean.
The ＿＿＿ is clean.
The ＿＿＿ are clean.
river
air 空气
street
Talk time
clouds
chair
What do you think of the cities?
not clean
Talk time
Is the city clean ?
No,it isn't. It's dirty.
bird --- dirty
What is dirty?
The _______ is dirty.
air
The street is dirty and messy.
['mesi]
乱七八糟的
The river is dirty.
The fish are dead.
head
Keep our city clean
保持我们城市干净
Unit 6