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Let’s learn
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rubb
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垃圾
What makes our city beautiful?
使….变得
Buildings make our city beautiful.
make(s) our city beautiful.
Let’s think
Let’s think
/?:/
dirty
Sometimes our city is .
Is our city clean now?
No, it isn’t clean.
Let’s listen
Is our city clean ？
No, it isn‘t. It’s dirty .
Let’s look
Let’s talk
What is dirty？
The is dirty.
The is dirty.
street
The is dirty.
river
air