I passed exam because of your help. I passed exam--- --- ---

I passed exam because of your help. I passed exam___ ___ ___ ___ ___(短语)I passed exam___ ___ ___(短语）I couldn`t pass the exam___ ___ ___(短语）I passed exam___ ___ ___ ___(句子）是有四句，顶上问题还有一句。谢谢