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I am very busy on Friday.,My teacher says math is useful, but I think it is very difficult.,I have science at nine. It is difficult but interesting.,Lunch is from twelve to one oclock.,After that, I have an art lesson for two hours.,C,B,D,C,B,B,C,C,A,C,busy,at,useful,science,but,has,and,her,fun,for,B,C,B,B,C,