—What do you think of his opinion?—None has given me ___________ piece of advice.
While I_________that he is an excellent leader,I don’t think he can do a good job in this company because he is too careless.
The two Chinese scientists have made a wonderful discovery, which marks a major _______ in the basic research in the field.
The incident caused a hot discussion on the Internet, but the local government had no immediate _______ on it.
The young violinist is very excited because the concert given by him has never been _____.
______ enough time, he was full of confidence to finish the project.