4 ★ Fill in the gaps with the correct relative pronoun or adverb. Arachnophobia, 1) ________ is the fear of spiders, is quite common. People 2) ________ suffer from this phobia experience panic attacks 3) ________ they see spiders. Their heart rate goes up; they feel dizzy and start to shake. This phobia also interferes with their everyday lives. Arachnophobes check for webs 4) ________ they enter a room. They are afraid to open wardrobes, get into the shower and even put on their shoes, places 5) ________ spiders love to hide. Luckily, however, there is treatment. Sufferers can slowly confront their fear through pictures. Today, there are even video games with animated spiders 6) ________ can help cure the phobia!