It was after he had read the requirements _______ Mr. Black realized the task was too difficult to be finished.
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.