FiII in the gaps with either Past Perfect or Past Perfect

FiII in the gaps with either Past Perfect or Past Perfect Continuous.
1nbsp; nbsp; I had been waiting at the cinema for an hour before Kim finally showed up.
2nbsp; nbsp; Grandma had gone to the supermarket before they got home from school.
3nbsp; nbsp; They had been playing football all day so they were very tired in the evening.
4nbsp; nbsp; The waitress served us something we hadnt ordered.
5nbsp; nbsp; had he finished making the lunch when the guests arrived?
6nbsp; nbsp; The band had been performing for an hour when the electricity went off.
7nbsp; nbsp; I had been looking for a new bike for two months before I found one.
8nbsp; nbsp; Pete left work as soon as he had written the reports.
9nbsp; nbsp; Belinda had been studying German for three years before she moved to Munich.
10 David Had eaten by the time we got home.