________I’ m not mistaken, Rio de Janeiro of Brazil was chosen as the host city for the 2016 Olympics.
. .In this remote village stands an ancient temple_____ from hundreds of years ago.
. .Fire safety in houses, _____ most deaths occur, is difficult to achieve.
. No matter how great the difficulty is, it can’t _____the experts from finishing the project on time.
. Whenever you enter the reading room, you can find all the students _____ at their desks, with their attention _____ on the books, except Tom.
. The little boy was found_________in his room the next day.