Complete the sentences. Use the words from the box.
IN, FOR, BACK, OF, TO, OVER, INTO
1) Never talk ... to your grandparents.
2) Classes are ... . You are free.
3) What's your mark ... the French test? What's his mark ... French?
4) I don't know what happened ... him in Africa.
5) I'll pay ... your lunch.
6) We are afraid ... being late.
7) Jason made 3 mistakes ... spelling.
8) We are having an examination ... maths tomorrow.
9) His parents want to give university education ... him.
10) Are you sure ... this fact?
11) Grace talked me ... buying these felt-tips. She liked them very much.
12) Do you often write ... your aunts and uncles?