after work, after school

Фразы в понедельник и т.д. употребляются с предлогом on без артикля.

on Monday

Обратите внимание на употребление дат.

on the tenth of February, on February ten

Упражнение 18

Вставьте артикль, где необходимо.

I go to … school in … morning, so I get up early. I usually get up at … quarter past seven. I go to … bathroom, turn on … water and wash my face and hands. My father and mother also get up early in … morning. My mother works in … office. She is … typist. My father is … doctor. He works at … hospital. We have … breakfast in … kitchen. We eat … porridge and … eggs. We drink … tea. My father and mother leave … home for … work at … half past eight. My father goes to … hospital, and my mother goes to … office. I don’t leave … home with my parents: … school where I study is near our house. I leave … home for … school at … quarter to nine. My granny stays at … home and cooks … dinner. I have … lunch at … school after … third lesson. My father and mother have … lunch at … work. When we come … home, we have … dinner.