6.the fire__was still burning____when the first firefighters__arrived___at the scene.(still burn,arrive)

7.my brother__was looking___for a job when he__came____across an intersting ad in the newspaper.(look,come)

8.I____heard__someone call my name.__Turned___around and___saw__my dad satanding at the back of the queue.I__was____so surprised.(hear,turn,saw,be)

9.my sister___was waering__a bright summer dress when I_saw___her at the perfomance.(wear,see)

10.I__started___preparing dinner at 4.pm and I _was_____ still at it when my wife___came__home.(start,be,come)