Нужно выбрать нужное слово

I had ( a \ the) terrible morning yesterday when ( something \ everything \ nothing) seemed to go wrong. I didn't hear the alarm clock and slept until eight ( hours \ o'clock). When I got up I tride to do ( everything \ something \ nothing) in a harry. First I lost my spectacles and spent ten minutes looking ( after \ at \ for) them on the floorr. At last I saw the missing spectacles( on bed \ on the bad). On my way to work I feel asleep on the bus, missed my stop and ( must \ had to) walk back for half a mile. After so many delays I was sure ( at least \ at last) an hour late , but ( there \ is) was no one in the office when I arrived. I couldn't understand it. I looked ( at \ after \ for) the clock on the wall. It showed eight o'clock! My alarm clock must have stopped the day before.