Rewrite the following sentences twice, using SINCE and FOR: Example: I haven't seen you. (Christmas / 3 days) a) I haven't seen you SINCE Christmas. b) I haven't seen you FOR 3 days. 1. We've been here. (an hour / 4 o'clock) (e 2. She hasn't spoken to me. (2 weeks / last week) (B 3. They've lived in this street. (1970 /a long time) (q 4. I haven't had time to do it. (last Monday /a few days) (8 5. We haven't bought a new one. (ages / many years) () (b)