七、课文填空 (15%) : 1. As Polly observed the ___ 1 ____ on the train, she had a feeling ____ 2 ___ she was being watched by a tall man ___ 3 ____ a dark overcoat. 2. When Polly got to the station ____ 4 ____, it was empty. Outside, ____ 5 ____ she looked the fog ___ 6 ___ ___ 7 ____ a thick, grey cloud. There was no one ____ 8 ___ ____ 9 ____. 3. Suddenly Polly felt a ___ 10 ___ hand ____ 11 ___ her cheek, and she heard a man’s voice in her ear ___12___ “Sorry”. 4. ‘It’s very nice of you,’ said the man, ‘but I’ll ___ 13 __ __ _14 ____. There may be more people ____ 15 ___ today, and I’d like to help them. You see, a fog ___ 16 ___ bad is ___ 17 ___. 5. ____ 18 ___ ____ 19 ____ what many people might assume, ____ 20 _____ shows that sharks ____ 21 ___ attack humans. There are three types of shark attacks. In the __ 22 ___ type, the shark attacks you because it ____ 23 ___ you ___ 24 ___ a fish, but when it tastes human ___ 25 ____ it decides to give up and ___ 26 ___ away. In the second type, the shark ___ 27 ___ you with its nose to ____ 28 ___ ___ 29_ ___ if you are fit to be eaten, and then __ 30 ____ you if it thinks you are.