问题补充:
15. As Polly was riding on the train, she sensed that she was by a tall man in a dark coat.
A. being stared
B. being watched
C. being attached
D. glanced
答案:
A. being stared
(答案→)B. being watched
C. being attached
D. glanced
解析:考查非谓语动词。She和watch是动宾关系,即“她被注视着”,故用过去分词;stare不及物,应该用stare at。她感觉到有人正在注视着她,应该用进行时。故选B。