问题
改错题
单句改错。
1. Your friend comes to school is very upset. _________
2. Tell your friend that you are concerning about him. _________
3. While walk the dog, you were careless and it got loose. __________
4. Join the examination and you'll get a chance. __________
5. Yesterday I got my bike repair. __________
答案
1. 去掉is 2. conceming→concemed 3. walk→walking 4. Join→Take 5. repair→repaired