1,watch,因为是to的宾语,和sit并列,所以用原形
2,that--it,因为it is + 形容词+ to do
3,a ball to each other
4,therefore---but,表示意思转折
5,stays---stayed,过去时段脊态
6,sport--sports
7,拦宽run--running
8,eccite--exciting
9,握衡渗joy--joyment
10,badly--bad
1watched 改为watch
2that was 之并洞毁绝备间加it
3ball cach 之间加with
4Therefoe 改为颤兆 but
5stays stayed
6正确
7decide decided
8excite exciting
9explained for 加 me
10badly bad