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He never ____learning English .That was why he was successful at last.
1年前
在△ABC中,角A,B,C的对边分别为a,b,c,已知sinAsinB+sinBsinC+cos2B=1.
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My life, as it really is, is always filled with sadness and little joy.
1年前
据《河北日报》报道,瞒着父母、放弃在深圳的工作,一位28岁的任县小伙——余恒菊来到贵州最偏远的山区当支教志愿者,用青春的奉献点燃了大山深处孩子的梦想。这说明余恒菊 [ ]
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