Fill in: beats, shake, sweat, feel, trigger, catch, miss, sense, rational, nightmare. 1 Alice's heart .................................. fast every time she gets into a lift. 2 Karen began to .................................. like a leaf when she saw the spider on her. 3 A bee sting can ................................. an allergic reaction. 4 She was so scared of flying that she started to ................................. as she boarded the aeroplane. 5 The sight of blood makes Kevin .................................. dizzy. 6 She tried to calm down and ................................. her breath. 7 She is going to ................................. out on the cruise because she's afraid of water. 8 Animals run away when they ................................. danger. 9 Jim has a terrible fear of heights; it's a ................................. for him to be high above the ground. 10 Her fear of mirrors is not .................................; it's all in her mind.