1. _________ 2. _________ 3. _________ 4. _________ 5. _________
1. The air pollution in some cities is getting more and more serious.
2. It only takes us about two hours from Yichang to Wuhan by train.
3. The singer Song Zuying’s concert was held in Yichang on May 25th.
4. The soldiers are helping to save the people in Ya’an after the earthquake.
5. Now the government is paying more attention to school bus safety.
