Could tell me ____ ____you've been here?

Could tell me ____ ____you've been here? Could you tell me ____? --Could you tell me ____?-- Sorry,I've no idea.I have just c A：Could you tell me if ____ tomrrow B:Sorry,I' ve no idea. Could you tell me ____ from here to the bookstore?A.how much Is there a library near here?（改为同一句）Could you tell me ____ _ Could you please tell me ____? 一道选择题could you tell me ____? ____you've been to Sydney Opera House,____ you(反义疑问句） ____you tell me how to get to the police station? A. could B Could you tell me ____you'll be away?About three weeks.为啥是ho -Excuse me,could you tell me ____ ---- Of course