A person needs to know who he/she is before being able to know what ___makes him or her happy.

常用的英语：Sorry，I don’t know.的中文意思是（）。

I don’t know（）there’s any shortage or not.

癸卯学制将高等教育机构明确分为大学堂、高等学堂和（）。

It is generally considered unwise to give a child___( )_____ he or she wants.

— Do you know ____ he is? — It's said he is a doctor.

Hello. Is that Mr.White or Mr.Smith speaking? Sorry,（）

I think you should end it ______ it is too late, or you will be sorry for it.

西安邮电大学学报《西安邮电大学学报》在（）2013、2014年度连续2年入选。

A mark or place at which a vessel comes under obligatory entry，transit，or escort procedure is know as（）.

If you do not know the subject, you will not understand what is said or written, even if English is your mother （） what is said or written.

（）年西安邮电大学被确定为陕西省地方高水平重点建设大学。