To, in, at, -, on, -, at, -, through. 1. I have to go to school five days a week. 2. I am interested in many subjects at school. 3. I could never understand Maths, I am so bad at this subject. However, History is my favourite subject, I am very good at it. 4. I will have to take a test at the end of the year. 5. I have never cheated on a test. 6. I hope to past an English test this year, but I am afraid I might fail a Maths test. 7. Kate and Josh are always bored at school. 8. It's a bad idea to skip classes because it will affect your grades. 9. We can't wait until we finally get through all our exams.