V. Replace the infinitives given in brackets by the Past Indefinite

V. Replace the infinitives given in brackets by the Past Indefinite or the Past Continuous.
1. John (to write) the label when the bell (to ring) and a short man (to enter). A dog (to follow) him.
2. There (to be) silence while the man (to look) John up and down.
3. I (to see) the light in your windows as I (to pass).
4. During the dinner while he (to eat) his piece of cold meat, his aunt (to help) herself to wine.
5. While he (to read) a newspaper she (to sit) studying him, and by the look in her eyes he (to see) that she (to reflect) on something concerning him.
6. Jim half (to dream) still when he (to come) to the place of his destination.