2 Choose the correct word. 1 The kids at school were running in the aquarium/playground/uniform. 2 I used to be annoyed/terrified/terrifying of my maths teacher. 3 I lost the keys, but finally/first/next I found them in my pocket. 4 I passed my physics exam. I felt really pleased/stupid/fascinated. 5 I was so tired that I fell asleep/blind/stressed during the exam. 6 Scientists are still trying to improve/solve/invent this problem.