Complete the sentences using the correct idioms.

1. Mary's father went on and on about his daughter's achievements. 2. I've told you again and again that you have to study harder if you want to get your degree. 3. Rather than do all the work in one day, you should do it step by step. 4. The idea has been going round and round in her head all day. 5. All in all, I enjoyed the film a lot.