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['d?:ti]
肮脏的
The city is _______
beautiful and clean
B. messy and dirty
Task 1
Watch and choose
messy and dirty
smoke from cars
smoke from factories
factory
rubbish
rubber fish
dead fish
head
What makes … dirty?
make(s)
the air
the streets
the river
dirty.
Smoke from cars and black smoke from factories
Rubbish
Rubbish in the water
Task 2
Read and find.
Tip:
自己读一读，用铅笔把关键句子划下来。
chair
空气