4.The swimmer was seized with a cramp(抽筋) and had to be 　　　　 . 　　　　(帮助……摆脱困境)of the water.  5.New students 　　　 　 now 　　　　 　　　　(意识到) they are likely to leave university up to ￡15,000 in debt. 

答案:4.helped out　5.are;aware that