.Mr. Zhao finally ______ innocent after inprison for 10 years, and soon he was set free and got compensation for thewrong done to him.

How to control housing price is said to agreat challenge facing the government over the past few years.

The retired man donated most of his savings to the school damaged by the earthquake in Yushu, _____ the students to return to their classrooms. [ ]

The economist claimed that the crisis and thesuffering ______caused had a great influence on the whole world

This camera is of good quality. If it ______ break down within the first year, we would replace it with a new one.