The young violinist is very excited because the concert given by him has never been _____.
It never occurred to meyou could succeed in persuading him to change his mind.
The momentJohn will never forget isMr. Smith gave him a lot of valuable advice on how to improve his writing.
China first agreedthe six-party talks about North Korea nuclear weapons program.
It is wise of you towell trained workers for untrained ones in your workshop.
Many students listened to the lecture, but I wondered how much they.