请英语好的朋友帮帮忙,帮我用4个词组造句子,
问题描述：
请英语好的朋友帮帮忙,帮我用4个词组造句子,
it's no use doing.
sth occur to sb
focus on
动词-ing形式作主语
答
It's no use reading so quickly.
An accident occurred to him.
You should focus on its movement.
Going to Shanghai is an exciting thing.