同义句转换Liu Chang is on the basketball team.换为Liu Chang is a ( )( )the basketball team.
What's your teacher (do)now?
I need (practice)for track and field.
Sports day (end)with the happiness.
He is (run)in a race.
It's time to(going)to school.
上面是给的单词适当形式填空
see 和 at的区别：see表示看的（ ）,look at表示看的（ ）
大标题上还有个同一句转换,求老师们帮忙啊