请问：How do you know him?这句话的意思是什么?

请问：How do you know him?这句话的意思是什么? 请问这句话的同义句是什么How did you know what to do next? How do you like the book?请问这句话的汉语意思是什么? How well do you know him? know ,you ,do ,how ,him 组成一句话 How do you know him,Mom? 1.Do you know how many people live there 这句话中的Do you know 插入 'How do you know when it's over?'的意思是什么 请问i don't know (how i should do) next 这句话为啥是错的? 适当形式填空How (good) do you know about him? how much do you know (about) him?有没有错 连词成句：know you do how him?