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Cause of pollution

/ \

/ \

Non_ point source point _ source

polltant pollution

/\ \ /\ \

/ \ \ / \ \

... ... ... ... ... ...

Effect._ people die

/disease cholera

Mn giup mk với ạ

....

....

....

Choose the best answer.

We are looking for ____ place to spend ____ night.

Choose the best answer.

Please turn off ___ lights when you leave ___ room.

Choose the best answer.

I like _____ colorful costumes of ____ ethnic minority people in Vietnam.