问题补充：
改错:1.I and my mother were in China last year.2.There is a big race last week.3.They were in France on .4.The game had an excited finish.We were very exciting.5.On the way to home,I met Jim.6.Billy
答案：
1.My mother and I were in China last year.
2.There was a big race last week.
3.They were in France in .
4.The game had an exciting finish.
5.On the way home,I met JIm.
6.Billy was in car No.twenty.
7.Look!The German car is really fast.
