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第8页

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In the past,there were few cars in the street. But now each person owns a car or even more.

The street is much cleaner and wider than before.

There are more and more stores and shops in my town.

But the air is not as fresh as before.

Traffic is getting more and more convenient.

have

had

Has

finished

doing

Have

arrived

are

has

taught

have

never

visited

haven't

heard

has

drawn

has

worked

left

have

come

have

grown