27.确信 be sure / make sure
26.向树后看 look behind the tree
25.站在树边 stood beside the tree
24.告诉某人更多 tell sb more
23. 在某人回家的路上 on one’s way home
22. 立刻跑走 run away quickly
21. 听到奇怪的声响 hear the strange noise
20. 仔细地听 listen carefully
19. 害怕 be frightened / be afraid
18.不寻常的东西 something unusual