___the cap,the officer put the bottle to his nostrils.

问题描述:

___the cap,the officer put the bottle to his nostrils.
1 having unscrewed 2 unscrewed 3 being unscrewed 4 with unscrewed
选择哪一个,及为什么

A\x0b本题有关分词短语作时间状语的使用方法.分词短语可用来表示时间状语.当分词所表示的动作明显优先于谓语动词所表示的动作时,需用“having+动词的过去分词”形式,且该分词所表示的动作与谓语动词所表示的动作均为...