One Sunday morning, Millie and Amy went to Sunshine Park. They love to chat there. As usual, they sat【C1】______a big tree. Suddenly, they heard a whistle from the bushes behind the tree. They turned around but could not see anything unusual. They were【C2】______ "Is【C3】______there?" Millie asked. Nobody answered. They【C4】______very carefully and heard the strange noise again. The two girls were very afraid. They ran away quickly. On their way, they met Andy. "What happened?" Andy asked. "There's a ghost in the【C5】______Please help us. " Millie said. "Really? Tell me more. " Andy said. Millie told Andy everything. Andy went to the park, 【C6】______beside the tree and listened carefully. Then he heard【C7】______noise! He looked behind the tree and heard another whisper. He was not sure the sound【C8】______from the bushes. He searched carefully. "Oh! Here it is. " Andy said to himself. He【C9】______a little cat in the bushes. It was very weak. When it miaowed, 【C10】______made a sound like a whisper.