1.do you know how old jack is?还是 do you know how old is jack?2.200是tow hundred还是two hundreds3000人是three thousand 还是three thounsands

how do you know How do you know? How do I know you? do you know how much i love how much do you know really about do you know how to write How many color do you know? HOW MANY COLORS DO YOU KNOW? HOW MUCH DO YOU KNOW ABOUT How much do you know about AIDS how many dinosaurs do you know? know ,you ,do ,how ,him 组成一句话 How many documentaries do you know? Do you know how to o__the machine? Do you really know how to How do you know the time?回答 do you know how old am i 1.Do you know how many people live there 这句话中的Do you know 插入语对吗?