Past Perfect Continuous Questions

Make the past perfect continuous

1) When you got sick, (you/eat) enough? [ . ]
2) There was water everywhere. What (the children/do) ? [ . ]
3) (it/rain) when you left the restaurant? [ . ]
4) How long (she/live) in London when she found that job? [ . ]
5) Why (you/study) so hard? [ . ]
6) Why was the house so messy? What (she/do)? [ . ]
7) How long (we/wait) when the bus finally arrived? [ . ]
8) How long (he/play) football when he was injured? [ . ]
9) (I/work) that day? [ . ]
10) (she/see) him for long when they moved to Paris? [ . ]