Research _______ that over 90 percent of high school students are dissatisfied with their test scores.

Professor Wang _______to give us a talk nextweek.――Really ?That is good news .

The film The Founding of a Republic is wonderful because about 80 stars appear in it, some of ________ are world-famous

The small mountain village____we spent our holiday last month lies in___ is now part of Hubei .

Brave New World describes a terrifying future _________ there is no war or violence and all the people can live happily