Complete the sentences with these prepositions.

in
out (x2).
over through .

1 We had to cross ................ the wrong a book in the shop answers in the exercise.
2 I always flick ...............before I buy it.
3 The teacher asked us to read................... the answers in class.
4 We have to fill..................... forms for the sports club soon.
5 We can't turn...................... the exam begins.​