People here see this kind of bird as a _______ of hope, so they never shoot them.

Reading provides quiet, peaceful time alone and can be a good _______ from your busy life.

.The traffic slowed down because of the heavy snow in Yushu county, presenting a new __________ to the recovery from the earthquake.

26．Nowadays people have to pass various tests for professional __________ so that they can be qualified for a well-paid job.

Tom’s and John’s______came to London last week.