If you can read this answer this question :D
can you answer this question in English?
who can answer this question?
You can d this question first and then tell me the answer.
can you answer this question?__.i know _
can ___ answer this difficult question ?
I can answer this question. 否定句
"who can answer this question"对吗
Mary can answer only this question
Nobody can answer this question ,____Maria
everyone can not answer this question.
Mary can only answer this question
He can answer this question .I can answer it,too.