Ⅳ.语篇完形
Polly left work and walked quickly towards her usual bus stop, but she was told that the bus wouldn’t go to King Street because of the thick 1. ___. Instead, she had to take an Underground on which she could 2. ________ that she was being 3. ________ by a tall man. While the rest of the passengers were getting out, she 4. _______ at the faces around her, but 5. ________ was the man to be seen. When she got to the station 6. ________, there was no one in 7. _____. She lost her way in the t ...