Fill in the gaps

1. Come ... , Jack – we haven’t got all day to write this essay \(hurry up\).
2. The detective is in the dark about the case unless he comes ... some clues \(find something by chance\).
3. Their recent quarrel came
... in our conversation but we changed the subject \(be mentioned\).
4. When he returned home, the time was coming ... to twelve \(approach\).
5. I came ... my lost ring when I was clearing out my bedroom \(find something by chance\).
6. The old woman came ... to the policeman and asked for help \(approach\).
7. When the mother came ... , the children had already laid the table \(return\).
8. Solving a crime comes ... through routine checking and forensic evidence \(happen as a result\).