D 介词+动名词
yourself,反身代词做宾语
lay
lie（躺）——lay（过去式）——lain（过去分词）,lie躺 ,时态为一般过去时,谓语动词用过去式
单项选择
When her mission was over, she just left ________ goodbye.
A. not say B.with say C.without say D.without saying
用括号中所给单词的适当形式填空
2. When you cut _____(you), you should put some medicine on it.
3. After a long day, he just _____(lie) on the bed and fell asleep.
如果可以,麻烦写出这样做的原因,谢谢!