1 . 单句改错
1. If you will attend the meeting, you’d better leave now.
2. Their long struggle ended with failure.
3. No matter how happened, he would not mind.
4. His failure resulted in his carelessness.
5. We couldn’t have found a good place for a picnic.
6. Thieves broke in my house when I was out.
7. The Great Wall is so a well-known tourist attraction that millions of people pour in every year.
8. There is to be a total ban of smoking in the office.
9. It is recognized what this way could be better.
10. All the workers belonged to the factory must obey the rule.