9. Complete the sentence. Use the past simple for one gap and the past perfect for the other. 1. I ___ (look) out of the window; somebody ___ (spray) graffiti on our car.
2. Everybody ___ (leave) by the time I ___ (arrive) at the party.
3. I ___ (not have) any pizza because my brother ___ (eat) it.
4. My uncle ___ (look) different: he ___ (grow) a beard.
5. The robbers ___ (take) my friend's mobile phone, so he ___ (borrow) mine.