Pleasechoosethecorrectsentence.H
He scessfully worked out the maths problem. He successed in working out the maths problem
第一句对He successfully worked out the maths problem. 第二句 successed 没有这个词语的 只有success 是名词 succeed动词 而succeeded是 succeed的过去式 第二句要改成he succeeded in working out the maths problem succeed （in ）doing sth.固定搭配