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最佳答案：帝妃科二特
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最佳答案：go to school is difficult.
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最佳答案：difficulties sb shall face to
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最佳答案：help classmates who have problem in study
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最佳答案：The more difficult one problem is, the more I want to get over it.
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最佳答案：challeng on study, have difficulty in doing sth
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最佳答案：We should try our best to face any difficulty.
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最佳答案：he finished the hard work in ten days.
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最佳答案：His classmates try every way to help him defeat the difficulties and make progre
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最佳答案：It is hard for me to finish so much work in an hour.