题目内容：

英语翻译
肯定有人帮了她,否则他不可能取得这样的成绩
someone must have helped him,or he cannot have made such accomplishment.
必须有人去帮他,要不他不能完成任务.
some must help him,or he will not complete the mission.

优质解答

Someone must help her,or he couldn't have made such a achievement.
Must be someone to help him,or he can't finish the task.