下列各句中均有一处错误，指出并改正。
1. (2018·全国III)The classroom is a place for learning and that include leaning from textbooks, and mistake as well.
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2. (2018·全国II)After supper, we would play card games of all sort in the sitting room.
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3. (2018·全国I)They had a big separate house to raise dozens of chicken.
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4. (2017·全国II)They often get some useful informations from the internet.
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5. (2017·全国I)The instructor kept repeating the word, “Speed up!” “Slow down!”
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6. (2016·全国I)My uncle tells me that the key to his success is honest.
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7. (2016·全国II)If we go on a trip abroad, we can broaden our view and gain knowledges that we cannot get from books.
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8. (2016·全国III)The teenage year from 13 to 19 were the most difficult time for me.
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