New Words ：
finish [ˈfɪnɪʃ] 完成;做好;(使)结束
finished [ˈfɪnɪʃt] finish的过去分词和过去式
on time 准时，按时
What time do you finish work?
The work was finished on time.
I need about an hour to finish this.
It's easy for her to finish this work.
Can you finish the work by five o'clock?