My little brother is looking forward _______ to see the 2012 Olympic Games in London .

. He was determined not to be the first _____________it.

Soon after _____ home, it began to rain.

(2014·南京四校阶段调研)Misunderstandings________from lack of social communication，unless________properly，may lead to serious problems. 

  The telephone lines were brought down by the  _____ trees and branches.