the program, they have to stay there for another two weeks. A. Not completing B.
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________ the program, they have to stay there for another two weeks.
A. Not completing
B.Not completed
C.Not having completed
D.Having not completed
试题答案
答案:C
解析:| 该题考查分词短语作状语的用法。从逻辑关系上看,应将B项排除掉。D选项中,not应放在having的前面。A项和C项比较,分词动作发生的时间早于句子谓语动词动作发生的时间,很显然C为正确答案。
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