下列各句中均有一处错误，指出并改正。
1. (2016•全国Ⅰ)My uncle says that he never dreams becoming rich in the short period of time.
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2. (2016•全国Ⅱ)But in that case, we will learn little about world.
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3. (2016•全国Ⅲ)At the first, I thought I knew everything and could make decisions by myself.
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4. (2017•全国Ⅰ)I still remember how hard first day was.
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5. (2017•全国Ⅱ)They live far from the school, and it takes them about a hour and a half to go to work every day.
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6. (2017•全国Ⅲ)Around me in picture are the things that were very important in my life at that time.
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7. (2018•全国Ⅰ)During my last winter holiday, I went to countryside with my father to visit my grandparents.
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8. (2018•全国Ⅱ) As the kid, I loved to watch cartoons.
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