The air b___worse and worse ,we must help our e____.首字母填空Don't c___the s___,the light is red.

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The air b___worse and worse ,we must help our e____.首字母填空Don't c___the s___,the light is red.

The air b___worse and worse ,we must help our e____.首字母填空Don't c___the s___,the light is red.
The air b___worse and worse ,we must help our e____.首字母填空
Don't c___the s___,the light is red.

The air b___worse and worse ,we must help our e____.首字母填空Don't c___the s___,the light is red.
the air becomes worse and worse.we must help our earth.Don't cross the street,the light is red.附:earth,地球

becomes,entertainment
cross ,stress

becomes, environment
cross, street