Use the conjunction at the end of the sentence to connect two simple sentences

II.Use the conjunction at the end of the sentence to connect two simple sentences
1.We're watching a comedy.We're laughing happily.(so)
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2.Vy joined The Voice Kids.Her sister joined it,too.(and)
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3.The environment is polluted.Our health is getting worse.(Because)
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4.My father always reads the newspaper in the morning. He always watches the TV news in the morning.(and)
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