（）on ten years of study,Professor Wang announced that everyone dreams every night.
问题描述：
（）on ten years of study,Professor Wang announced that everyone dreams every night.
A)Basing B)Based C)Being based D)Having based
答
答案选B Based ,因为Professor Wang 所宣称的内容是基于数十年的研究之基础上的,是被动的原句意为：基于数十年的研究,王教授宣称每个人在每天晚上都会做梦相关例句：Comparing the costs per unit of the two produc...