__what to do,he decided to go to Mr Black for help. A.Not knowing B.Not having known

__what to do,he decided to go to Mr Black for help. A.Not knowing B.Not having known

题目
__what to do,he decided to go to Mr Black for help. A.Not knowing B.Not having known
C.Knowing not D.Having not known
说明理由谢谢,答案选择A
答案
A,这个是动词ing做状语,对于非谓语动词的否定,对于v-ing是在v-ing前加not,对于不定式to do的否定是在to 前加not,成为not to do.所以排除C、D.对于B,因为“know what to do”有“decide to go……”之间没有发生的先...
举一反三
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
奥巴马演讲不用看稿子.为什么中国领导演讲要看?
想找英语初三上学期的首字母填空练习……
英语翻译
1,人们染上烟瘾,最终因吸烟使自己丧命.
最新试题
热门考点

超级试练试题库

© 2017-2019 超级试练试题库,All Rights Reserved.