| 单句改错（每个句子只有一处错误，每处错误只能改动一个词。） |
| 1. Before the earthquake farmers noticed there were deep cracks on some of the well walls. ____________ 2. Mice ran out of the fields looked for some places to hide. ____________ 3. People could hear the sound of planes outside city of Tangshan even when there were no planes in the sky. ____________ 4. Two-third of the people in Tangshan died or were injured during the earthquake. ____________ 5. 75% of its factories, buildings and 90% of its homes was gone. ____________ 6. A number of people who were killed or injured reached more than 400,000. ____________ 7. Workers built shelters for survivors their homes had been destroyed. ____________ 8. Fresh water was taken to the city by the train, truck and plane. ____________ 9. In fifteen terrible minutes the big city laid in ruins. ____________ 10. The frightening boy whose mother was lost in the earthquake is looking for her now. ____________ |