Помогите, завтра экзамен, нужно раскрыть скобки!

Card 6

1. We (to do) this work next week.
2. You (to go) to the dentist often or seldom?
3. When we came to the station the train already (to leave).
4. The new hotel (to open) next year.
5. It was warm, so I (to take) off my coat.