Do you know the answer of this questions?(改错~）

Do you know the answer of this questions?(改错~） Do you know the answer of this question?(改错~） Li Ming ,do you know the answer of this question?（改错） Do you know the answer ()jthe questions? do you know the answer ( ) this question what do you think of my answer to the questions do you know the answer .no,this question is do you know the answer of the riddle? Millie may know the answer to this questions同义句 Think of a town you know in china.Answer the questions first Do you know the of this expression? （ ）19、Do you know the answer ______the question?A.to B.of C.