Complete the sentences by adding the correct noun suffix to the words in brackets. You may need to make some words plural. 1 Snakes are very sensitive to (vibrate) in the ground. 2 To avoid a snake bite, use (protect). Wear special clothes and boots. 3 My friend’s snake left quite an (impress) on me. I had nightmares for weeks. 4 Snakes only attack first in (situate) where they feel frightened. 5 The doctors made the (decide) to take the tourist to hospital. 6 It’s impossible for humans to read the (express) on the faces of animals like snakes. 7 It’s difficult to avoid a bite because snakes have very fast (react). 8 In (conclude), I think that snakes are both beautiful and mysterious.