People's Liberation Army (人民解放军) took part in the military parade in honor of the 70th anniversary ( 周年)of the end of World War II at Beijing's Tian'anmen Square, _____ the morning of September 3, 2015.A.inB.onC.at
—There is ____ time. You don’t need to hurry.—But I want to see her as early as possible.
There are ________ students waiting in the hall, ________?
You should keep the window _________ because the room is so hot and damp.
If you don’t know the word, you can _________ in the dictionary.
It is not ______ that everyone will be able to be famous persons.