Read these sentences and choose both, either, neither. Use of where necessary.
1. It was a good football match. _____ teams played well.
2. Sam and I didn’t know the time because ______us had a watch.
3. Kelly has got two sisters and a brother. I have met her brother but I haven’t met _________ her sisters.
Raymond Murphy. English Grammar in Use- Cambridge: CUP, 379p.