Read the text and fill in the gaps with the correct form of the given words

Last year my younger sister Mary went to the [ ] form at school. She was quite nervous in the morning, but everything went well. In the evening she told me that she liked school!

The next day, on the [ ] of September, Mary began to study. She was fond of her [ ]. In the evenings she told us how [ ] the lessons were.

At first, Mary had some very simple [ ]. She learnt how to read and write correctly. Then, she learnt all the twelve [ ] and four seasons of the year. She also learnt how to tell the time from a clock. These are very useful skills!