Professor James will give us a lecture on the Western Culture, but when and where _________ yet.

It isn’t quite ______that he will be present at themeeting.

Sorry, Madam. You’d better come tomorrow because it’s ________ the visiting hours.

One of the most important things ineducation is to let students ____ positive emotions and experience in theprocess of their learning.

Helen said that she would come to see me the next day, but she_____