3 a) Fill in the prepositions where necessary. of, for (x2), with, without, by, to (x2), on (x4), in (x2), at (x2) our timetable I have to get up seven o'clock. Igo school car. I always come lessons time. I am never late school. The school day starts registration. We usually have six lessons a day. There are a lot of interesting lessons but my favourite subject is Chemistry. We have Chemistry twice a week, Monday and Friday. I am very good it. I am keen doing experiments my Chemistry lessons. class we mustn't touch chemicals permission. I am proud my excellent marks. Our school is f