5 предложений с who which where

Where was my mum on Monday?Where were his sisters at 10 o'clock Where was Helen on Friday?Where was I in winter?Where were hir parents in summer?Who is Martin?Who visited my granny last week?Who didn't play a football?Who don't understand it?Who doesn't sit on sofa?Which subject didn't l like?Which juice was she drinking?Which book is he reading?Which film am I watching now?Which teacher is my favourite?