Do you know how to cross the road safely?What should you do?

-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 write Do you know how to o__the machine? Do you really know how to how do you know How do you know? I don't know （）.can you help A.what to do it.I don't know （）.can you help A.what to do it.B.how to do it C.how to do D.to do how do you know how xx it.A.make to B.make C.to make Do you know how to use this machine___a printer?do you know how to use this machine___a printer?a.calls b.calling c.called d.is calling原因 Do you know how to _____ the word in ChineseA.how to speak B .how to say C.what to say D,how to talk 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 _____ fruit salad?A.make B.to make C.making .Do you know how to read_____X-ray?A./ B.those C.a D.an Do you know ______ with the meat?A.which to do B.how to do C.when to do D.where to do 怎么选?为什么? 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?