下列各句中均有一处错误，指出并改正。
(1)(2018·黑龙江哈尔滨市第三中学高三上第二次调研考试)Have you ever been so concerned about something that you even can’t sleep at nigh? If so, then you know that stress is.
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(2)(2018·河南信阳高中二模)First, you must focus on which you are faced with.
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(3)(2018·青海西宁第四高级中学届高三上一模)Later, while I was watching TV at home, the phone rang. It was Ben and he was sorry for that he did.
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(4)(2018·山东潍坊一中预测卷)That he teaches us in class leaves a deep impression on us.
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(5) (2018·新疆昌吉市教育共同体高三上第二次月考)Parents have gained some life experiences and they know what to act in different situations.
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(6) (2018·广东佛山南海中学考前七校联考)I think it is high time that I did something special to express my thanks to them for that they have done for me.
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(7)(2018·江西省新余一中全真模拟)Reading is that I really love, both for fun and knowledge.
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(8)(2016·安徽淮北市高三二模)That didn’t take long for me to change my thoughts from that coin to those small opportunities.
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(9)(2018·河北石家庄高三下一模)I believe hard work is that it takes to accomplish my goal.
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(10) (2018·山东师大附中最后打靶试题)That she gave us in the lessons was both lively and interesting.
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(11) (2018·孝感一中等五校联考)It seemed what their equipment didn’t work.
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(12)(2017·湖南师大附中高三12月考试)In addition, there are famous artists who will perform what to cut paper on the spot.
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(13) (2017·东北育才学校高三二模)Feeling quite sorry for that, I began to think about how to do to help them.
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