WHAT CHANGES A PEAR INTO A PEARL?

WHAT CHANGES A PEAR INTO A PEARL? What changes a pear into a pearl What changes a pear into a pearl?怎么回答? 谜语:what changes a pear into a pearl? 脑筋急转弯.1 what changes a pear into a pearl? 1.What changes a pear into a pearl? 几道智力题 英语what changes a pear into a pearl?what has a neck but 趣味问答：1、what changes a pear into a pearl?2what question can n 脑筋急转弯:What changes（改变） a pear into a pearl? What changes a pear into a peal 求文档:what changes a pear into apearl.(智力题). What changes a pear into apearl.（智力题）.