Rellena los huecos con la preposición de tiempo adecuada: in, on, at, from, to.
1. I study Maths ______ the afternoon.
2. My father works ______ Saturdays.
3. My mother works ______ Saturday mornings.
4. My birthday is ______ July, ______ summer.
5. Come to my house _____ five o'clock.
6. I am with my family _____ Christmas.
7. The museum opens ______ 9.00 ______ 21.00.
8. She was born ______ 1985.
9. I go out with my friends ______ nights.
10. School finishes ______ 20th June.
11. I'll see you ______ Christmas Day.
12. I'll be at home ______ eight o'clock ______ nine o'clock.