I am sorry,I can't answer this question.Use your _________,I

I am sorry,I can't answer this question.Use your _________,I sorry i can't answer your question.i know___about the subjec sorry,i don't know how to answer your question? 7.---Sorry ,Sir ,I can't answer the question. PS:请写出为什么Sorry,sir.I can't answer this question.--Well,you a I can't answer this question in English .I can't answer this can i use your book.sorry i don't have [ ] This question is very hard,I can't answer. I can't answer this question.改为同义句 I can't think of an answer to your question. I can answer this question. 否定句 He can answer this question .I can answer it,too.