Chia đúng dạng từ trong ngoặc

1. I'm very tired. - Oh, sit down and I (get)         you a cup of tea.
2. I think she (get)        used to the traffic in a big city soon.
3. We don't have any sugar left. - Oh, I (go)         and buy some.
4. We promise we (prepare)            the lessons more carefully.