помогите с английским пожалуйста!!)

1. Hello Nicolay! I haven't seen you for a while! - Yes we haven't seen each other since we graduated from the school

2. How many pages of this book had they translated by the end of last week?

3. I'll be waiting for him until he comes

4. Since when has she been ill?

5. After it got dark, we turned off the lights