Well!  l went to school to learn chemistry extra lesson .It is my favourite lessons.Although I must get up early, I was still very fresh. When I arrived the classroom, most of students were sleeping until the teacher  came in the classroom. "Woke up! guys" Unexpectedly, he gave us the difficult some homework.

Back home ,I began this chemisty homework. Ar ah, I could finish the homework within two hours. Also I was drowzy after finished my homework.So,I was asleep....