Read the passage and select the most appropriate option for the specified blank. People like you and I keep pets like dogs, cats or guppies. My friend, Jennifer, however, had the most (1) ________ pet - a snake called Cecil. Cecil was a small black snake less than one metre in length. Some people were a little (2) ________ of Cecil because his fangs looked threatening. However, he was a harmless creature that did not bite. He was an extremely friendly creature and would even allow strangers to touch and pet him. If you (3) ________ your hand out, Cecil would even slither up your arm and coil around your hand. Cecil's skin felt cool, dry and not at all slimy. Cecil's home was a large green tank. To make him (4) ________ more comfortable, the tank was laden with his favourite branches and leaves. Surprisingly, Cecil (5) ________ very little nourishment and he would eat an average of only once a month. His favourite foods were lizards and live insects like beetles and flies. Select the most appropriate option for blank 1.

1. friendly
2. unusual
3. harmless
4. common