问题
连词成句
把正确的句子写在横线上，比一比，看谁写得又快又好！
1. know about I Canada
2. is A slower car than a bike
3. runs Jenny the to bus
4. doctor My mother a is
答案
1. I know about Canada.
2. A bike is slower than a car.
3. Jenny runs to the bus.
4. My mother is a doctor.
