4.　 Polly found herself staring up at a man standing with his hand resting on her arm.

3.　 The tall man was nowhere to be seen.

2.　 She sensed that she was being watched by a tall man in a dark coat.

1.　 The fog is too thick for the bus to run that far.

53. in the distance　 在远处　　　　　 54. be known as/for/to

重点句型

51. turn down　 把(音量)调小;拒绝　　　　 52. turn around环顾四周

49. have ….to do with　　　　　　 50. rather than而不是

47. be related/linked to　 和…有关　　　 48. with a fair chance of….

45.die of /from　　　　　　　 46.speak /think highly of sb.

43.take turns to do / (at) doing　　　 44.in panic 害怕的,恐惧的