Living in the city and in the country are quite different.
In the city, the streets are ______ and clean. There are many tall and modern ______ buildings. People work there. But sometimes there are so many cars on the streets. At night, many people can’t sleep because it is too ______.
In the country, there aren’t many cars. The ______ in the countryside is fresh.
At night, it is very quiet. You can ______ hear the frogs singing by the river.
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