Only when_______ 30 years old ______ to learn English.
__ is well-known to all that the 2016 Olympic Games will be held in Rio de Janeiro ,Brazil.
Halloween is believed to be a day ______all the spirits come back to the world of the living, and we have the same day in China called “Guijie", the Day of Dead.
The house, which is large and is surrounded by trees and flowers, is what she longs for .
—It has been a wonderful evening. Thank you very much. —__________.
Many towns and villages had their water supply ________ because there was no electricity.