--Li Yuchun, the No. 1 Supergirl, is coming to our city to sing tonight.--Wow! _____ our evening classes could be canceled.
Don’t ______ that all these who get good grades in the entrance examination will prove to be most successful.
Books are a ______ provider of knowledge and pleasure and some types of books sould be in every home, such as a good dictionary, a good encyclopedia and so on.