标题: 状语的省略 [打印本页] 作者: wangjieava23 时间: 2012-4-11 09:50 标题: 状语的省略 cr-19 The hormone melatonin has shown promise as a medication for sleep disorders when taken in synthesized form. cr-9 In order to reduce the number of items damaged while in transit to customers, packaging consultants recommended that the TrueSave mail-order company increase the amount of packing material so as to fi ll any empty spaces in its cartons.