1 . 单句改错
1. （2021.6全国乙卷）What’s most, doing housework can be a form of mentally relaxation from study.
2. （2020·新课标II卷）I’m surely you’ll have a good time.
3. （2020·新课标II卷）Then I can spare some time to learn it again, such that we can practice together on every day.
4. （2020·新课标II卷）See you sooner.
5. （2019·新课标I卷）I became interesting in playing football thanks to a small accident.
6. （2019·新课标II卷）One was that I was amazing at the fact that a sick person could feel much better after seeing a doctor.
7. （2018·新课标I卷）I felt happily that their life had improved.

2 . 单句改错
1. It is high time that we do something to reduce traffic accidents.
2. While having our dinner, the doorbell rang.
3. Recently our village has taken place great changes.
4. Dr Smith, together with his wife, are to arrive on the evening flight.
5. Eating at school is very convenient for students.
6. Would you please meet my uncle at the airport because this is his first time visit to the US?
7. The car hitted the old man and drived away.
8. I have two friends, their names are Tom and Jim.
9. There are many students are planting trees on the hill.
10. At weekends, we would play basketball, swimming in the pool or go for a picnic.