1 . 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.