阅读理解，选择适当的单词填空。

Father: What do you have on Mondays?

Zip: I have English and math.

Father: What do you have on Fridays?

Zip: I have Chinese and P. E.

Father: What do you do on Sundays?

Zip: I often play football. What about you?

Father: I often write my articles(文件).

Zip: Why?

Father: My boss（老板） is very strict.