Do you know how to make a sandwich How do you make the sandwich ,do you know?是不是病句

do you know how to write Do you know how to o__the machine? Do you really know how to how do you know How do you know? 有Do you know how to do?的问法么或者Do you know how to do it Do You Really Know How Much You Mean to Me? Do you know you to me and have how important Do you know how to go to Beijing?可不可以说：Do you know how you will/can go to Beijing? Do you know how to go to Beijing?可不可以说：Do you know how you will/can go to Beijing? Do you know how to make a sandwich How do you make the sandwich ,do you know?是不是病句 -Tom didn’t go to school?A. Do you know how B. Why do you know C. How you know why D. Do you know why Do you know how to study better?There are some How do i live without you ,i want to know. I do not know how to face yourself and you! do you know how to write chinese on computer? DO you know how to s什么 the maths problem Do you know how to use facebook?写一篇短文