How does he go to school ?Do you know?合并为一句 Do you know ____

How does he go to school ?Do you know?合并为一句 Do you know ____ do you know?what does mary like?合并为一句 do you know How does she end her letter?Do you know?合并为一句 How high is Qmolangma?Do you know?(合并为一句) Do you know ___ __ when did he move to another city ?do you know?（合并为一句 How long did it take him to do homework Do you know?（合并为一句） What time does she get up Do you know?（合并为一句） 为什么要用do you know how he gets to school,不用 do you know how do Do you know how to go to Beijing?可不可以说：Do you know how you w Do you know How far is it from our school to your home?合并为主从 Do you know What should we do?（合并为一句） Do Do you know?What does he do?