Stifling a huge yawn Petra (pull) herself up into a sitting position and (try) to free her mind from the clog of sleep. Slowly she (become) aware…

Stifling a huge yawn Petra pulled herself up into a sitting position and tried to free her mind from the clog of sleep.Slowly she became aware that Sara had pulled her suitcase from under thebed and was filling it by the simplemethod of taking out drawers of clothes and turning them upside down so thatthe contents fell into the case.