单项选择题
（）his address, I can' t send this book to him.
A. Not knowing B. Knowing C. Not know D. Not known
单项选择题 The journey around the world took the old sailor nine months,（）the sailing time was 226 days.
单项选择题 This radio is not working. I'll have it（）
单项选择题 （）give your homework to Amy She is going to teachers' office.
